Finding the Fourth Proportional to 137,581.54, 189,792.62 and 89,862.82

Step by Step Solution

1. Step 1: Write the proportion equation
   137,581.54 : 189,792.62 = 89,862.82 : x
2. Step 2: Convert to fraction form
   137,581.54/189,792.62 = 89,862.82/x
3. Step 3: Cross multiply
   137,581.54x = 189,792.62 × 89,862.82
4. Step 4: Simplify right side
   137,581.54x = 17,055,300,048.39
5. Step 5: Solve for x
   x = 17,055,300,048.39/137,581.54
6. Step 6: Final answer
   x = 123,965.03