Finding the Fourth Proportional to 160,168.16, 221,022.59 and 88,543.91

Step by Step Solution

1. Step 1: Write the proportion equation
   160,168.16 : 221,022.59 = 88,543.91 : x
2. Step 2: Convert to fraction form
   160,168.16/221,022.59 = 88,543.91/x
3. Step 3: Cross multiply
   160,168.16x = 221,022.59 × 88,543.91
4. Step 4: Simplify right side
   160,168.16x = 19,570,204,426.76
5. Step 5: Solve for x
   x = 19,570,204,426.76/160,168.16
6. Step 6: Final answer
   x = 122,185.36