Finding the Fourth Proportional to 2,574.72, 3,862.32 and 843.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.72 : 3,862.32 = 843.52 : x
2. Step 2: Convert to fraction form
   2,574.72/3,862.32 = 843.52/x
3. Step 3: Cross multiply
   2,574.72x = 3,862.32 × 843.52
4. Step 4: Simplify right side
   2,574.72x = 3,257,944.17
5. Step 5: Solve for x
   x = 3,257,944.17/2,574.72
6. Step 6: Final answer
   x = 1,265.36