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Finding the Fourth Proportional to 123,410.15, 185,078.54 and 52,331.74

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Solution

The fourth proportional to 123,410.15, 185,078.54 and 52,331.74 is: 78,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,410.15 : 185,078.54 = 52,331.74 : x
  2. Step 2: Convert to fraction form
    123,410.15/185,078.54 = 52,331.74/x
  3. Step 3: Cross multiply
    123,410.15x = 185,078.54 × 52,331.74
  4. Step 4: Simplify right side
    123,410.15x = 9,685,481,408.63
  5. Step 5: Solve for x
    x = 9,685,481,408.63/123,410.15
  6. Step 6: Final answer
    x = 78,482.05

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