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Finding the Fourth Proportional to 78,489.72, 108,313.51 and 44,501.34

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Solution

The fourth proportional to 78,489.72, 108,313.51 and 44,501.34 is: 61,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,489.72 : 108,313.51 = 44,501.34 : x
  2. Step 2: Convert to fraction form
    78,489.72/108,313.51 = 44,501.34/x
  3. Step 3: Cross multiply
    78,489.72x = 108,313.51 × 44,501.34
  4. Step 4: Simplify right side
    78,489.72x = 4,820,096,335.10
  5. Step 5: Solve for x
    x = 4,820,096,335.10/78,489.72
  6. Step 6: Final answer
    x = 61,410.54

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