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Finding the Fourth Proportional to 365,610.80, 548,304.45 and 128,898.12

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Solution

The fourth proportional to 365,610.80, 548,304.45 and 128,898.12 is: 193,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,610.80 : 548,304.45 = 128,898.12 : x
  2. Step 2: Convert to fraction form
    365,610.80/548,304.45 = 128,898.12/x
  3. Step 3: Cross multiply
    365,610.80x = 548,304.45 × 128,898.12
  4. Step 4: Simplify right side
    365,610.80x = 70,675,410,736.49
  5. Step 5: Solve for x
    x = 70,675,410,736.49/365,610.80
  6. Step 6: Final answer
    x = 193,307.78

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