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Finding the Fourth Proportional to 78,847.06, 108,808.50 and 43,036.96

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Solution

The fourth proportional to 78,847.06, 108,808.50 and 43,036.96 is: 59,390.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847.06 : 108,808.50 = 43,036.96 : x
  2. Step 2: Convert to fraction form
    78,847.06/108,808.50 = 43,036.96/x
  3. Step 3: Cross multiply
    78,847.06x = 108,808.50 × 43,036.96
  4. Step 4: Simplify right side
    78,847.06x = 4,682,787,062.16
  5. Step 5: Solve for x
    x = 4,682,787,062.16/78,847.06
  6. Step 6: Final answer
    x = 59,390.76

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