Finding the Fourth Proportional to 132,517.72, 182,872.57 and 72,088.82

Step by Step Solution

1. Step 1: Write the proportion equation
   132,517.72 : 182,872.57 = 72,088.82 : x
2. Step 2: Convert to fraction form
   132,517.72/182,872.57 = 72,088.82/x
3. Step 3: Cross multiply
   132,517.72x = 182,872.57 × 72,088.82
4. Step 4: Simplify right side
   132,517.72x = 13,183,066,506.86
5. Step 5: Solve for x
   x = 13,183,066,506.86/132,517.72
6. Step 6: Final answer
   x = 99,481.54