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Finding the Fourth Proportional to 52,805.88, 72,872.10 and 28,933.46

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Solution

The fourth proportional to 52,805.88, 72,872.10 and 28,933.46 is: 39,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,805.88 : 72,872.10 = 28,933.46 : x
  2. Step 2: Convert to fraction form
    52,805.88/72,872.10 = 28,933.46/x
  3. Step 3: Cross multiply
    52,805.88x = 72,872.10 × 28,933.46
  4. Step 4: Simplify right side
    52,805.88x = 2,108,441,990.47
  5. Step 5: Solve for x
    x = 2,108,441,990.47/52,805.88
  6. Step 6: Final answer
    x = 39,928.17

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