Finding the Fourth Proportional to 1,981.57, 2,734.47 and 1,097.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.57 : 2,734.47 = 1,097.32 : x
2. Step 2: Convert to fraction form
   1,981.57/2,734.47 = 1,097.32/x
3. Step 3: Cross multiply
   1,981.57x = 2,734.47 × 1,097.32
4. Step 4: Simplify right side
   1,981.57x = 3,000,574.95
5. Step 5: Solve for x
   x = 3,000,574.95/1,981.57
6. Step 6: Final answer
   x = 1,514.25