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Finding the Fourth Proportional to 122,966.60, 184,449.90 and 87,537.20

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Solution

The fourth proportional to 122,966.60, 184,449.90 and 87,537.20 is: 131,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,966.60 : 184,449.90 = 87,537.20 : x
  2. Step 2: Convert to fraction form
    122,966.60/184,449.90 = 87,537.20/x
  3. Step 3: Cross multiply
    122,966.60x = 184,449.90 × 87,537.20
  4. Step 4: Simplify right side
    122,966.60x = 16,146,227,786.28
  5. Step 5: Solve for x
    x = 16,146,227,786.28/122,966.60
  6. Step 6: Final answer
    x = 131,305.80

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