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Finding the Fourth Proportional to 76,472.17, 105,548.45 and 42,492.33

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Solution

The fourth proportional to 76,472.17, 105,548.45 and 42,492.33 is: 58,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,472.17 : 105,548.45 = 42,492.33 : x
  2. Step 2: Convert to fraction form
    76,472.17/105,548.45 = 42,492.33/x
  3. Step 3: Cross multiply
    76,472.17x = 105,548.45 × 42,492.33
  4. Step 4: Simplify right side
    76,472.17x = 4,484,999,568.39
  5. Step 5: Solve for x
    x = 4,484,999,568.39/76,472.17
  6. Step 6: Final answer
    x = 58,648.78

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