Finding the Fourth Proportional to 160,725.71, 221,806.88 and 89,101.46

Step by Step Solution

1. Step 1: Write the proportion equation
   160,725.71 : 221,806.88 = 89,101.46 : x
2. Step 2: Convert to fraction form
   160,725.71/221,806.88 = 89,101.46/x
3. Step 3: Cross multiply
   160,725.71x = 221,806.88 × 89,101.46
4. Step 4: Simplify right side
   160,725.71x = 19,763,315,291.50
5. Step 5: Solve for x
   x = 19,763,315,291.50/160,725.71
6. Step 6: Final answer
   x = 122,963.00