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Finding the Fourth Proportional to 124,024.74, 185,889.44 and 86,380.98

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Solution

The fourth proportional to 124,024.74, 185,889.44 and 86,380.98 is: 129,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,024.74 : 185,889.44 = 86,380.98 : x
  2. Step 2: Convert to fraction form
    124,024.74/185,889.44 = 86,380.98/x
  3. Step 3: Cross multiply
    124,024.74x = 185,889.44 × 86,380.98
  4. Step 4: Simplify right side
    124,024.74x = 16,057,311,998.85
  5. Step 5: Solve for x
    x = 16,057,311,998.85/124,024.74
  6. Step 6: Final answer
    x = 129,468.62

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