Finding the Fourth Proportional to 271,052.88, 406,500.24 and 91,117.96

Step by Step Solution

1. Step 1: Write the proportion equation
   271,052.88 : 406,500.24 = 91,117.96 : x
2. Step 2: Convert to fraction form
   271,052.88/406,500.24 = 91,117.96/x
3. Step 3: Cross multiply
   271,052.88x = 406,500.24 × 91,117.96
4. Step 4: Simplify right side
   271,052.88x = 37,039,472,608.31
5. Step 5: Solve for x
   x = 37,039,472,608.31/271,052.88
6. Step 6: Final answer
   x = 136,650.36