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Finding the Fourth Proportional to 536,624.80, 804,937.20 and 287,792.80

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Solution

The fourth proportional to 536,624.80, 804,937.20 and 287,792.80 is: 431,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,624.80 : 804,937.20 = 287,792.80 : x
  2. Step 2: Convert to fraction form
    536,624.80/804,937.20 = 287,792.80/x
  3. Step 3: Cross multiply
    536,624.80x = 804,937.20 × 287,792.80
  4. Step 4: Simplify right side
    536,624.80x = 231,655,130,612.16
  5. Step 5: Solve for x
    x = 231,655,130,612.16/536,624.80
  6. Step 6: Final answer
    x = 431,689.20

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