Finding the Fourth Proportional to 2,543.02, 3,815.12 and 983.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.02 : 3,815.12 = 983.04 : x
2. Step 2: Convert to fraction form
   2,543.02/3,815.12 = 983.04/x
3. Step 3: Cross multiply
   2,543.02x = 3,815.12 × 983.04
4. Step 4: Simplify right side
   2,543.02x = 3,750,418.43
5. Step 5: Solve for x
   x = 3,750,418.43/2,543.02
6. Step 6: Final answer
   x = 1,474.79