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Finding the Fourth Proportional to 572,747.40, 859,121.10 and 198,770.40

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Solution

The fourth proportional to 572,747.40, 859,121.10 and 198,770.40 is: 298,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,747.40 : 859,121.10 = 198,770.40 : x
  2. Step 2: Convert to fraction form
    572,747.40/859,121.10 = 198,770.40/x
  3. Step 3: Cross multiply
    572,747.40x = 859,121.10 × 198,770.40
  4. Step 4: Simplify right side
    572,747.40x = 170,767,844,695.44
  5. Step 5: Solve for x
    x = 170,767,844,695.44/572,747.40
  6. Step 6: Final answer
    x = 298,155.60

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