Finding the Fourth Proportional to 124,954.98, 172,258.52 and 89,082.71

Step by Step Solution

1. Step 1: Write the proportion equation
   124,954.98 : 172,258.52 = 89,082.71 : x
2. Step 2: Convert to fraction form
   124,954.98/172,258.52 = 89,082.71/x
3. Step 3: Cross multiply
   124,954.98x = 172,258.52 × 89,082.71
4. Step 4: Simplify right side
   124,954.98x = 15,345,256,435.54
5. Step 5: Solve for x
   x = 15,345,256,435.54/124,954.98
6. Step 6: Final answer
   x = 122,806.28