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Finding the Fourth Proportional to 92,801.60, 139,064.16 and 53,299.52

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Solution

The fourth proportional to 92,801.60, 139,064.16 and 53,299.52 is: 79,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,801.60 : 139,064.16 = 53,299.52 : x
  2. Step 2: Convert to fraction form
    92,801.60/139,064.16 = 53,299.52/x
  3. Step 3: Cross multiply
    92,801.60x = 139,064.16 × 53,299.52
  4. Step 4: Simplify right side
    92,801.60x = 7,412,052,977.20
  5. Step 5: Solve for x
    x = 7,412,052,977.20/92,801.60
  6. Step 6: Final answer
    x = 79,869.88

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