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Finding the Fourth Proportional to 104,625.09, 144,380.88 and 56,879.64

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Solution

The fourth proportional to 104,625.09, 144,380.88 and 56,879.64 is: 78,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,625.09 : 144,380.88 = 56,879.64 : x
  2. Step 2: Convert to fraction form
    104,625.09/144,380.88 = 56,879.64/x
  3. Step 3: Cross multiply
    104,625.09x = 144,380.88 × 56,879.64
  4. Step 4: Simplify right side
    104,625.09x = 8,212,332,477.28
  5. Step 5: Solve for x
    x = 8,212,332,477.28/104,625.09
  6. Step 6: Final answer
    x = 78,492.95

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