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Finding the Fourth Proportional to 92,478.84, 127,607.11 and 56,161.40

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Solution

The fourth proportional to 92,478.84, 127,607.11 and 56,161.40 is: 77,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.84 : 127,607.11 = 56,161.40 : x
  2. Step 2: Convert to fraction form
    92,478.84/127,607.11 = 56,161.40/x
  3. Step 3: Cross multiply
    92,478.84x = 127,607.11 × 56,161.40
  4. Step 4: Simplify right side
    92,478.84x = 7,166,593,309.52
  5. Step 5: Solve for x
    x = 7,166,593,309.52/92,478.84
  6. Step 6: Final answer
    x = 77,494.42

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