Finding the Fourth Proportional to 160,662.93, 221,714.86 and 89,047.57

Step by Step Solution

1. Step 1: Write the proportion equation
   160,662.93 : 221,714.86 = 89,047.57 : x
2. Step 2: Convert to fraction form
   160,662.93/221,714.86 = 89,047.57/x
3. Step 3: Cross multiply
   160,662.93x = 221,714.86 × 89,047.57
4. Step 4: Simplify right side
   160,662.93x = 19,743,169,515.89
5. Step 5: Solve for x
   x = 19,743,169,515.89/160,662.93
6. Step 6: Final answer
   x = 122,885.66