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Finding the Fourth Proportional to 84,772.80, 127,159.20 and 65,150.40

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Solution

The fourth proportional to 84,772.80, 127,159.20 and 65,150.40 is: 97,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772.80 : 127,159.20 = 65,150.40 : x
  2. Step 2: Convert to fraction form
    84,772.80/127,159.20 = 65,150.40/x
  3. Step 3: Cross multiply
    84,772.80x = 127,159.20 × 65,150.40
  4. Step 4: Simplify right side
    84,772.80x = 8,284,472,743.68
  5. Step 5: Solve for x
    x = 8,284,472,743.68/84,772.80
  6. Step 6: Final answer
    x = 97,725.60

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