Finding the Fourth Proportional to 159,756.88, 220,476.72 and 88,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   159,756.88 : 220,476.72 = 88,150.72 : x
2. Step 2: Convert to fraction form
   159,756.88/220,476.72 = 88,150.72/x
3. Step 3: Cross multiply
   159,756.88x = 220,476.72 × 88,150.72
4. Step 4: Simplify right side
   159,756.88x = 19,435,181,611.24
5. Step 5: Solve for x
   x = 19,435,181,611.24/159,756.88
6. Step 6: Final answer
   x = 121,654.74