Finding the Fourth Proportional to 160,428.56, 221,388.72 and 88,807.04

Step by Step Solution

1. Step 1: Write the proportion equation
   160,428.56 : 221,388.72 = 88,807.04 : x
2. Step 2: Convert to fraction form
   160,428.56/221,388.72 = 88,807.04/x
3. Step 3: Cross multiply
   160,428.56x = 221,388.72 × 88,807.04
4. Step 4: Simplify right side
   160,428.56x = 19,660,876,912.59
5. Step 5: Solve for x
   x = 19,660,876,912.59/160,428.56
6. Step 6: Final answer
   x = 122,552.22