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Finding the Fourth Proportional to 86,500.50, 119,308.77 and 56,229.36

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Solution

The fourth proportional to 86,500.50, 119,308.77 and 56,229.36 is: 77,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.50 : 119,308.77 = 56,229.36 : x
  2. Step 2: Convert to fraction form
    86,500.50/119,308.77 = 56,229.36/x
  3. Step 3: Cross multiply
    86,500.50x = 119,308.77 × 56,229.36
  4. Step 4: Simplify right side
    86,500.50x = 6,708,655,779.49
  5. Step 5: Solve for x
    x = 6,708,655,779.49/86,500.50
  6. Step 6: Final answer
    x = 77,556.27

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