Finding the Fourth Proportional to 160,714.89, 221,771.61 and 89,088.84

Step by Step Solution

1. Step 1: Write the proportion equation
   160,714.89 : 221,771.61 = 89,088.84 : x
2. Step 2: Convert to fraction form
   160,714.89/221,771.61 = 89,088.84/x
3. Step 3: Cross multiply
   160,714.89x = 221,771.61 × 89,088.84
4. Step 4: Simplify right side
   160,714.89x = 19,757,375,479.83
5. Step 5: Solve for x
   x = 19,757,375,479.83/160,714.89
6. Step 6: Final answer
   x = 122,934.32