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Finding the Fourth Proportional to 264,033.60, 396,046.80 and 86,546.40

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Solution

The fourth proportional to 264,033.60, 396,046.80 and 86,546.40 is: 129,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,033.60 : 396,046.80 = 86,546.40 : x
  2. Step 2: Convert to fraction form
    264,033.60/396,046.80 = 86,546.40/x
  3. Step 3: Cross multiply
    264,033.60x = 396,046.80 × 86,546.40
  4. Step 4: Simplify right side
    264,033.60x = 34,276,424,771.52
  5. Step 5: Solve for x
    x = 34,276,424,771.52/264,033.60
  6. Step 6: Final answer
    x = 129,818.42

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