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Finding the Fourth Proportional to 445,780.35, 668,668.20 and 108,822.78

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Solution

The fourth proportional to 445,780.35, 668,668.20 and 108,822.78 is: 163,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,780.35 : 668,668.20 = 108,822.78 : x
  2. Step 2: Convert to fraction form
    445,780.35/668,668.20 = 108,822.78/x
  3. Step 3: Cross multiply
    445,780.35x = 668,668.20 × 108,822.78
  4. Step 4: Simplify right side
    445,780.35x = 72,766,332,421.60
  5. Step 5: Solve for x
    x = 72,766,332,421.60/445,780.35
  6. Step 6: Final answer
    x = 163,233.60

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