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Finding the Fourth Proportional to 79,342.72, 119,015.80 and 28,746.26

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Solution

The fourth proportional to 79,342.72, 119,015.80 and 28,746.26 is: 43,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342.72 : 119,015.80 = 28,746.26 : x
  2. Step 2: Convert to fraction form
    79,342.72/119,015.80 = 28,746.26/x
  3. Step 3: Cross multiply
    79,342.72x = 119,015.80 × 28,746.26
  4. Step 4: Simplify right side
    79,342.72x = 3,421,259,130.91
  5. Step 5: Solve for x
    x = 3,421,259,130.91/79,342.72
  6. Step 6: Final answer
    x = 43,120.01

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