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Finding the Fourth Proportional to 74,261.89, 102,445.18 and 42,422.41

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Solution

The fourth proportional to 74,261.89, 102,445.18 and 42,422.41 is: 58,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.89 : 102,445.18 = 42,422.41 : x
  2. Step 2: Convert to fraction form
    74,261.89/102,445.18 = 42,422.41/x
  3. Step 3: Cross multiply
    74,261.89x = 102,445.18 × 42,422.41
  4. Step 4: Simplify right side
    74,261.89x = 4,345,971,428.48
  5. Step 5: Solve for x
    x = 4,345,971,428.48/74,261.89
  6. Step 6: Final answer
    x = 58,522.23

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