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Finding the Fourth Proportional to 78,507.36, 108,308.20 and 44,508.64

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Solution

The fourth proportional to 78,507.36, 108,308.20 and 44,508.64 is: 61,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,507.36 : 108,308.20 = 44,508.64 : x
  2. Step 2: Convert to fraction form
    78,507.36/108,308.20 = 44,508.64/x
  3. Step 3: Cross multiply
    78,507.36x = 108,308.20 × 44,508.64
  4. Step 4: Simplify right side
    78,507.36x = 4,820,650,682.85
  5. Step 5: Solve for x
    x = 4,820,650,682.85/78,507.36
  6. Step 6: Final answer
    x = 61,403.81

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