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Finding the Fourth Proportional to 136,626.48, 204,966.60 and 57,740.40

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Solution

The fourth proportional to 136,626.48, 204,966.60 and 57,740.40 is: 86,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,626.48 : 204,966.60 = 57,740.40 : x
  2. Step 2: Convert to fraction form
    136,626.48/204,966.60 = 57,740.40/x
  3. Step 3: Cross multiply
    136,626.48x = 204,966.60 × 57,740.40
  4. Step 4: Simplify right side
    136,626.48x = 11,834,853,470.64
  5. Step 5: Solve for x
    x = 11,834,853,470.64/136,626.48
  6. Step 6: Final answer
    x = 86,621.96

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