Finding the Fourth Proportional to 131,738.58, 181,799.37 and 71,309.34

Step by Step Solution

1. Step 1: Write the proportion equation
   131,738.58 : 181,799.37 = 71,309.34 : x
2. Step 2: Convert to fraction form
   131,738.58/181,799.37 = 71,309.34/x
3. Step 3: Cross multiply
   131,738.58x = 181,799.37 × 71,309.34
4. Step 4: Simplify right side
   131,738.58x = 12,963,993,087.12
5. Step 5: Solve for x
   x = 12,963,993,087.12/131,738.58
6. Step 6: Final answer
   x = 98,406.96