Finding the Fourth Proportional to 131,425.89, 181,367.55 and 74,837.27

Step by Step Solution

1. Step 1: Write the proportion equation
   131,425.89 : 181,367.55 = 74,837.27 : x
2. Step 2: Convert to fraction form
   131,425.89/181,367.55 = 74,837.27/x
3. Step 3: Cross multiply
   131,425.89x = 181,367.55 × 74,837.27
4. Step 4: Simplify right side
   131,425.89x = 13,573,051,401.75
5. Step 5: Solve for x
   x = 13,573,051,401.75/131,425.89
6. Step 6: Final answer
   x = 103,275.32