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Finding the Fourth Proportional to 76,559.10, 105,749.67 and 58,871.10

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Solution

The fourth proportional to 76,559.10, 105,749.67 and 58,871.10 is: 81,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,559.10 : 105,749.67 = 58,871.10 : x
  2. Step 2: Convert to fraction form
    76,559.10/105,749.67 = 58,871.10/x
  3. Step 3: Cross multiply
    76,559.10x = 105,749.67 × 58,871.10
  4. Step 4: Simplify right side
    76,559.10x = 6,225,599,397.54
  5. Step 5: Solve for x
    x = 6,225,599,397.54/76,559.10
  6. Step 6: Final answer
    x = 81,317.56

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