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Finding the Fourth Proportional to 66,808.56, 92,110.86 and 47,711.19

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Solution

The fourth proportional to 66,808.56, 92,110.86 and 47,711.19 is: 65,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,808.56 : 92,110.86 = 47,711.19 : x
  2. Step 2: Convert to fraction form
    66,808.56/92,110.86 = 47,711.19/x
  3. Step 3: Cross multiply
    66,808.56x = 92,110.86 × 47,711.19
  4. Step 4: Simplify right side
    66,808.56x = 4,394,718,742.52
  5. Step 5: Solve for x
    x = 4,394,718,742.52/66,808.56
  6. Step 6: Final answer
    x = 65,780.77

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