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Finding the Fourth Proportional to 92,884.95, 128,234.37 and 61,146.12

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Solution

The fourth proportional to 92,884.95, 128,234.37 and 61,146.12 is: 84,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,884.95 : 128,234.37 = 61,146.12 : x
  2. Step 2: Convert to fraction form
    92,884.95/128,234.37 = 61,146.12/x
  3. Step 3: Cross multiply
    92,884.95x = 128,234.37 × 61,146.12
  4. Step 4: Simplify right side
    92,884.95x = 7,841,034,176.14
  5. Step 5: Solve for x
    x = 7,841,034,176.14/92,884.95
  6. Step 6: Final answer
    x = 84,416.63

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