Finding the Fourth Proportional to 160,111.88, 220,958.52 and 88,492.76

Step by Step Solution

1. Step 1: Write the proportion equation
   160,111.88 : 220,958.52 = 88,492.76 : x
2. Step 2: Convert to fraction form
   160,111.88/220,958.52 = 88,492.76/x
3. Step 3: Cross multiply
   160,111.88x = 220,958.52 × 88,492.76
4. Step 4: Simplify right side
   160,111.88x = 19,553,229,280.32
5. Step 5: Solve for x
   x = 19,553,229,280.32/160,111.88
6. Step 6: Final answer
   x = 122,122.29