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Finding the Fourth Proportional to 264,001.80, 396,002.70 and 86,514.60

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Solution

The fourth proportional to 264,001.80, 396,002.70 and 86,514.60 is: 129,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,001.80 : 396,002.70 = 86,514.60 : x
  2. Step 2: Convert to fraction form
    264,001.80/396,002.70 = 86,514.60/x
  3. Step 3: Cross multiply
    264,001.80x = 396,002.70 × 86,514.60
  4. Step 4: Simplify right side
    264,001.80x = 34,260,015,189.42
  5. Step 5: Solve for x
    x = 34,260,015,189.42/264,001.80
  6. Step 6: Final answer
    x = 129,771.90

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