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Finding the Fourth Proportional to 52,845.54, 72,924.91 and 28,971.69

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Solution

The fourth proportional to 52,845.54, 72,924.91 and 28,971.69 is: 39,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.54 : 72,924.91 = 28,971.69 : x
  2. Step 2: Convert to fraction form
    52,845.54/72,924.91 = 28,971.69/x
  3. Step 3: Cross multiply
    52,845.54x = 72,924.91 × 28,971.69
  4. Step 4: Simplify right side
    52,845.54x = 2,112,757,885.80
  5. Step 5: Solve for x
    x = 2,112,757,885.80/52,845.54
  6. Step 6: Final answer
    x = 39,979.87

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