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Finding the Fourth Proportional to 58,579.80, 87,869.70 and 52,128.60

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Solution

The fourth proportional to 58,579.80, 87,869.70 and 52,128.60 is: 78,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.80 : 87,869.70 = 52,128.60 : x
  2. Step 2: Convert to fraction form
    58,579.80/87,869.70 = 52,128.60/x
  3. Step 3: Cross multiply
    58,579.80x = 87,869.70 × 52,128.60
  4. Step 4: Simplify right side
    58,579.80x = 4,580,524,443.42
  5. Step 5: Solve for x
    x = 4,580,524,443.42/58,579.80
  6. Step 6: Final answer
    x = 78,192.90

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