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Finding the Fourth Proportional to 52,453.78, 72,385.30 and 28,580.65

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Solution

The fourth proportional to 52,453.78, 72,385.30 and 28,580.65 is: 39,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.78 : 72,385.30 = 28,580.65 : x
  2. Step 2: Convert to fraction form
    52,453.78/72,385.30 = 28,580.65/x
  3. Step 3: Cross multiply
    52,453.78x = 72,385.30 × 28,580.65
  4. Step 4: Simplify right side
    52,453.78x = 2,068,818,924.45
  5. Step 5: Solve for x
    x = 2,068,818,924.45/52,453.78
  6. Step 6: Final answer
    x = 39,440.80

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