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Finding the Fourth Proportional to 12,790.70, 19,164.93 and 5,849.90

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Solution

The fourth proportional to 12,790.70, 19,164.93 and 5,849.90 is: 8,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.70 : 19,164.93 = 5,849.90 : x
  2. Step 2: Convert to fraction form
    12,790.70/19,164.93 = 5,849.90/x
  3. Step 3: Cross multiply
    12,790.70x = 19,164.93 × 5,849.90
  4. Step 4: Simplify right side
    12,790.70x = 112,112,924.01
  5. Step 5: Solve for x
    x = 112,112,924.01/12,790.70
  6. Step 6: Final answer
    x = 8,765.19

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