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Finding the Fourth Proportional to 207,435.44, 311,227.88 and 72,519.41

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Solution

The fourth proportional to 207,435.44, 311,227.88 and 72,519.41 is: 108,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,435.44 : 311,227.88 = 72,519.41 : x
  2. Step 2: Convert to fraction form
    207,435.44/311,227.88 = 72,519.41/x
  3. Step 3: Cross multiply
    207,435.44x = 311,227.88 × 72,519.41
  4. Step 4: Simplify right side
    207,435.44x = 22,570,060,314.41
  5. Step 5: Solve for x
    x = 22,570,060,314.41/207,435.44
  6. Step 6: Final answer
    x = 108,805.23

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