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Finding the Fourth Proportional to 264,217.80, 396,326.70 and 86,730.60

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Solution

The fourth proportional to 264,217.80, 396,326.70 and 86,730.60 is: 130,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,217.80 : 396,326.70 = 86,730.60 : x
  2. Step 2: Convert to fraction form
    264,217.80/396,326.70 = 86,730.60/x
  3. Step 3: Cross multiply
    264,217.80x = 396,326.70 × 86,730.60
  4. Step 4: Simplify right side
    264,217.80x = 34,373,652,487.02
  5. Step 5: Solve for x
    x = 34,373,652,487.02/264,217.80
  6. Step 6: Final answer
    x = 130,095.90

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