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Finding the Fourth Proportional to 74,882.40, 103,336.74 and 40,894.02

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Solution

The fourth proportional to 74,882.40, 103,336.74 and 40,894.02 is: 56,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882.40 : 103,336.74 = 40,894.02 : x
  2. Step 2: Convert to fraction form
    74,882.40/103,336.74 = 40,894.02/x
  3. Step 3: Cross multiply
    74,882.40x = 103,336.74 × 40,894.02
  4. Step 4: Simplify right side
    74,882.40x = 4,225,854,712.29
  5. Step 5: Solve for x
    x = 4,225,854,712.29/74,882.40
  6. Step 6: Final answer
    x = 56,433.22

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