Finding the Fourth Proportional to 160,557.86, 221,569.83 and 88,942.52

Step by Step Solution

1. Step 1: Write the proportion equation
   160,557.86 : 221,569.83 = 88,942.52 : x
2. Step 2: Convert to fraction form
   160,557.86/221,569.83 = 88,942.52/x
3. Step 3: Cross multiply
   160,557.86x = 221,569.83 × 88,942.52
4. Step 4: Simplify right side
   160,557.86x = 19,706,977,928.32
5. Step 5: Solve for x
   x = 19,706,977,928.32/160,557.86
6. Step 6: Final answer
   x = 122,740.67