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Finding the Fourth Proportional to 52,799.61, 72,860.40 and 28,922.13

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Solution

The fourth proportional to 52,799.61, 72,860.40 and 28,922.13 is: 39,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,799.61 : 72,860.40 = 28,922.13 : x
  2. Step 2: Convert to fraction form
    52,799.61/72,860.40 = 28,922.13/x
  3. Step 3: Cross multiply
    52,799.61x = 72,860.40 × 28,922.13
  4. Step 4: Simplify right side
    52,799.61x = 2,107,277,960.65
  5. Step 5: Solve for x
    x = 2,107,277,960.65/52,799.61
  6. Step 6: Final answer
    x = 39,910.86

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