Finding the Fourth Proportional to 1,981.76, 2,734.85 and 1,097.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.76 : 2,734.85 = 1,097.57 : x
2. Step 2: Convert to fraction form
   1,981.76/2,734.85 = 1,097.57/x
3. Step 3: Cross multiply
   1,981.76x = 2,734.85 × 1,097.57
4. Step 4: Simplify right side
   1,981.76x = 3,001,683.83
5. Step 5: Solve for x
   x = 3,001,683.83/1,981.76
6. Step 6: Final answer
   x = 1,514.66