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Finding the Fourth Proportional to 232,821.20, 349,231.80 and 66,609.20

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Solution

The fourth proportional to 232,821.20, 349,231.80 and 66,609.20 is: 99,913.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,821.20 : 349,231.80 = 66,609.20 : x
  2. Step 2: Convert to fraction form
    232,821.20/349,231.80 = 66,609.20/x
  3. Step 3: Cross multiply
    232,821.20x = 349,231.80 × 66,609.20
  4. Step 4: Simplify right side
    232,821.20x = 23,262,049,066.40
  5. Step 5: Solve for x
    x = 23,262,049,066.40/232,821.20
  6. Step 6: Final answer
    x = 99,913.79

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