Finding the Fourth Proportional to 1,981.30, 2,734.17 and 1,085.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.30 : 2,734.17 = 1,085.02 : x
2. Step 2: Convert to fraction form
   1,981.30/2,734.17 = 1,085.02/x
3. Step 3: Cross multiply
   1,981.30x = 2,734.17 × 1,085.02
4. Step 4: Simplify right side
   1,981.30x = 2,966,629.13
5. Step 5: Solve for x
   x = 2,966,629.13/1,981.30
6. Step 6: Final answer
   x = 1,497.31