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Finding the Fourth Proportional to 456,635.80, 684,996.90 and 124,211.80

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Solution

The fourth proportional to 456,635.80, 684,996.90 and 124,211.80 is: 186,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,635.80 : 684,996.90 = 124,211.80 : x
  2. Step 2: Convert to fraction form
    456,635.80/684,996.90 = 124,211.80/x
  3. Step 3: Cross multiply
    456,635.80x = 684,996.90 × 124,211.80
  4. Step 4: Simplify right side
    456,635.80x = 85,084,697,943.42
  5. Step 5: Solve for x
    x = 85,084,697,943.42/456,635.80
  6. Step 6: Final answer
    x = 186,329.45

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