Finding the Fourth Proportional to 2,543.53, 3,813.78 and 982.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.53 : 3,813.78 = 982.24 : x
2. Step 2: Convert to fraction form
   2,543.53/3,813.78 = 982.24/x
3. Step 3: Cross multiply
   2,543.53x = 3,813.78 × 982.24
4. Step 4: Simplify right side
   2,543.53x = 3,746,047.27
5. Step 5: Solve for x
   x = 3,746,047.27/2,543.53
6. Step 6: Final answer
   x = 1,472.77