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Finding the Fourth Proportional to 28,978,749.18, 43,469,612.73 and 7,413,537.96

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Solution

The fourth proportional to 28,978,749.18, 43,469,612.73 and 7,413,537.96 is: 11,120,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,749.18 : 43,469,612.73 = 7,413,537.96 : x
  2. Step 2: Convert to fraction form
    28,978,749.18/43,469,612.73 = 7,413,537.96/x
  3. Step 3: Cross multiply
    28,978,749.18x = 43,469,612.73 × 7,413,537.96
  4. Step 4: Simplify right side
    28,978,749.18x = 322,263,624,080,354.19
  5. Step 5: Solve for x
    x = 322,263,624,080,354.19/28,978,749.18
  6. Step 6: Final answer
    x = 11,120,687.86

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