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Finding the Fourth Proportional to 78,840.10, 108,794.64 and 44,843.68

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Solution

The fourth proportional to 78,840.10, 108,794.64 and 44,843.68 is: 61,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,840.10 : 108,794.64 = 44,843.68 : x
  2. Step 2: Convert to fraction form
    78,840.10/108,794.64 = 44,843.68/x
  3. Step 3: Cross multiply
    78,840.10x = 108,794.64 × 44,843.68
  4. Step 4: Simplify right side
    78,840.10x = 4,878,752,021.88
  5. Step 5: Solve for x
    x = 4,878,752,021.88/78,840.10
  6. Step 6: Final answer
    x = 61,881.61

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