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Finding the Fourth Proportional to 452,604.92, 678,907.28 and 115,646.20

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Solution

The fourth proportional to 452,604.92, 678,907.28 and 115,646.20 is: 173,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,604.92 : 678,907.28 = 115,646.20 : x
  2. Step 2: Convert to fraction form
    452,604.92/678,907.28 = 115,646.20/x
  3. Step 3: Cross multiply
    452,604.92x = 678,907.28 × 115,646.20
  4. Step 4: Simplify right side
    452,604.92x = 78,513,047,084.34
  5. Step 5: Solve for x
    x = 78,513,047,084.34/452,604.92
  6. Step 6: Final answer
    x = 173,469.27

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