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Finding the Fourth Proportional to 264,037.60, 396,056.40 and 86,562.55

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Solution

The fourth proportional to 264,037.60, 396,056.40 and 86,562.55 is: 129,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,037.60 : 396,056.40 = 86,562.55 : x
  2. Step 2: Convert to fraction form
    264,037.60/396,056.40 = 86,562.55/x
  3. Step 3: Cross multiply
    264,037.60x = 396,056.40 × 86,562.55
  4. Step 4: Simplify right side
    264,037.60x = 34,283,651,927.82
  5. Step 5: Solve for x
    x = 34,283,651,927.82/264,037.60
  6. Step 6: Final answer
    x = 129,843.83

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