Finding the Fourth Proportional to 131,736.31, 181,796.56 and 71,306.93

Step by Step Solution

1. Step 1: Write the proportion equation
   131,736.31 : 181,796.56 = 71,306.93 : x
2. Step 2: Convert to fraction form
   131,736.31/181,796.56 = 71,306.93/x
3. Step 3: Cross multiply
   131,736.31x = 181,796.56 × 71,306.93
4. Step 4: Simplify right side
   131,736.31x = 12,963,354,578.16
5. Step 5: Solve for x
   x = 12,963,354,578.16/131,736.31
6. Step 6: Final answer
   x = 98,403.81