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Finding the Fourth Proportional to 77,892.47, 107,491.64 and 42,082.41

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Solution

The fourth proportional to 77,892.47, 107,491.64 and 42,082.41 is: 58,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,892.47 : 107,491.64 = 42,082.41 : x
  2. Step 2: Convert to fraction form
    77,892.47/107,491.64 = 42,082.41/x
  3. Step 3: Cross multiply
    77,892.47x = 107,491.64 × 42,082.41
  4. Step 4: Simplify right side
    77,892.47x = 4,523,507,055.64
  5. Step 5: Solve for x
    x = 4,523,507,055.64/77,892.47
  6. Step 6: Final answer
    x = 58,073.74

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