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Finding the Fourth Proportional to 92,877.60, 128,191.50 and 61,049.46

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Solution

The fourth proportional to 92,877.60, 128,191.50 and 61,049.46 is: 84,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.60 : 128,191.50 = 61,049.46 : x
  2. Step 2: Convert to fraction form
    92,877.60/128,191.50 = 61,049.46/x
  3. Step 3: Cross multiply
    92,877.60x = 128,191.50 × 61,049.46
  4. Step 4: Simplify right side
    92,877.60x = 7,826,021,851.59
  5. Step 5: Solve for x
    x = 7,826,021,851.59/92,877.60
  6. Step 6: Final answer
    x = 84,261.67

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