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Finding the Fourth Proportional to 77,474.74, 116,064.06 and 52,391.86

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Solution

The fourth proportional to 77,474.74, 116,064.06 and 52,391.86 is: 78,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,474.74 : 116,064.06 = 52,391.86 : x
  2. Step 2: Convert to fraction form
    77,474.74/116,064.06 = 52,391.86/x
  3. Step 3: Cross multiply
    77,474.74x = 116,064.06 × 52,391.86
  4. Step 4: Simplify right side
    77,474.74x = 6,080,811,982.55
  5. Step 5: Solve for x
    x = 6,080,811,982.55/77,474.74
  6. Step 6: Final answer
    x = 78,487.67

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