Finding the Fourth Proportional to 159,734.72, 220,425 and 88,100.48

Step by Step Solution

1. Step 1: Write the proportion equation
   159,734.72 : 220,425 = 88,100.48 : x
2. Step 2: Convert to fraction form
   159,734.72/220,425 = 88,100.48/x
3. Step 3: Cross multiply
   159,734.72x = 220,425 × 88,100.48
4. Step 4: Simplify right side
   159,734.72x = 19,419,548,304
5. Step 5: Solve for x
   x = 19,419,548,304/159,734.72
6. Step 6: Final answer
   x = 121,573.75