Finding the Fourth Proportional to 2,074.52, 2,862.72 and 1,143.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.52 : 2,862.72 = 1,143.08 : x
2. Step 2: Convert to fraction form
   2,074.52/2,862.72 = 1,143.08/x
3. Step 3: Cross multiply
   2,074.52x = 2,862.72 × 1,143.08
4. Step 4: Simplify right side
   2,074.52x = 3,272,317.98
5. Step 5: Solve for x
   x = 3,272,317.98/2,074.52
6. Step 6: Final answer
   x = 1,577.39