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Finding the Fourth Proportional to 316,496.10, 474,972.93 and 124,399.20

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Solution

The fourth proportional to 316,496.10, 474,972.93 and 124,399.20 is: 186,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,496.10 : 474,972.93 = 124,399.20 : x
  2. Step 2: Convert to fraction form
    316,496.10/474,972.93 = 124,399.20/x
  3. Step 3: Cross multiply
    316,496.10x = 474,972.93 × 124,399.20
  4. Step 4: Simplify right side
    316,496.10x = 59,086,252,513.66
  5. Step 5: Solve for x
    x = 59,086,252,513.66/316,496.10
  6. Step 6: Final answer
    x = 186,688.72

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