Finding the Fourth Proportional to 131,427.89, 181,370.31 and 74,839.27

Step by Step Solution

1. Step 1: Write the proportion equation
   131,427.89 : 181,370.31 = 74,839.27 : x
2. Step 2: Convert to fraction form
   131,427.89/181,370.31 = 74,839.27/x
3. Step 3: Cross multiply
   131,427.89x = 181,370.31 × 74,839.27
4. Step 4: Simplify right side
   131,427.89x = 13,573,620,693.22
5. Step 5: Solve for x
   x = 13,573,620,693.22/131,427.89
6. Step 6: Final answer
   x = 103,278.08