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Finding the Fourth Proportional to 58,149.60, 87,224.40 and 39,487.20

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Solution

The fourth proportional to 58,149.60, 87,224.40 and 39,487.20 is: 59,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,149.60 : 87,224.40 = 39,487.20 : x
  2. Step 2: Convert to fraction form
    58,149.60/87,224.40 = 39,487.20/x
  3. Step 3: Cross multiply
    58,149.60x = 87,224.40 × 39,487.20
  4. Step 4: Simplify right side
    58,149.60x = 3,444,247,327.68
  5. Step 5: Solve for x
    x = 3,444,247,327.68/58,149.60
  6. Step 6: Final answer
    x = 59,230.80

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