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Finding the Fourth Proportional to 92,904.25, 128,189.01 and 56,581.33

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Solution

The fourth proportional to 92,904.25, 128,189.01 and 56,581.33 is: 78,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,904.25 : 128,189.01 = 56,581.33 : x
  2. Step 2: Convert to fraction form
    92,904.25/128,189.01 = 56,581.33/x
  3. Step 3: Cross multiply
    92,904.25x = 128,189.01 × 56,581.33
  4. Step 4: Simplify right side
    92,904.25x = 7,253,104,677.18
  5. Step 5: Solve for x
    x = 7,253,104,677.18/92,904.25
  6. Step 6: Final answer
    x = 78,070.75

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