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Finding the Fourth Proportional to 78,828.36, 108,785.54 and 44,841.78

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Solution

The fourth proportional to 78,828.36, 108,785.54 and 44,841.78 is: 61,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,828.36 : 108,785.54 = 44,841.78 : x
  2. Step 2: Convert to fraction form
    78,828.36/108,785.54 = 44,841.78/x
  3. Step 3: Cross multiply
    78,828.36x = 108,785.54 × 44,841.78
  4. Step 4: Simplify right side
    78,828.36x = 4,878,137,251.86
  5. Step 5: Solve for x
    x = 4,878,137,251.86/78,828.36
  6. Step 6: Final answer
    x = 61,883.02

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