Finding the Fourth Proportional to 159,715, 220,407.72 and 88,096.96

Step by Step Solution

1. Step 1: Write the proportion equation
   159,715 : 220,407.72 = 88,096.96 : x
2. Step 2: Convert to fraction form
   159,715/220,407.72 = 88,096.96/x
3. Step 3: Cross multiply
   159,715x = 220,407.72 × 88,096.96
4. Step 4: Simplify right side
   159,715x = 19,417,250,092.53
5. Step 5: Solve for x
   x = 19,417,250,092.53/159,715
6. Step 6: Final answer
   x = 121,574.37