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Finding the Fourth Proportional to 363,621.18, 545,456.62 and 123,637.38

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Solution

The fourth proportional to 363,621.18, 545,456.62 and 123,637.38 is: 185,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,621.18 : 545,456.62 = 123,637.38 : x
  2. Step 2: Convert to fraction form
    363,621.18/545,456.62 = 123,637.38/x
  3. Step 3: Cross multiply
    363,621.18x = 545,456.62 × 123,637.38
  4. Step 4: Simplify right side
    363,621.18x = 67,438,827,400.46
  5. Step 5: Solve for x
    x = 67,438,827,400.46/363,621.18
  6. Step 6: Final answer
    x = 185,464.52

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