Finding the Fourth Proportional to 2,074.93, 2,863.40 and 1,143.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.93 : 2,863.40 = 1,143.43 : x
2. Step 2: Convert to fraction form
   2,074.93/2,863.40 = 1,143.43/x
3. Step 3: Cross multiply
   2,074.93x = 2,863.40 × 1,143.43
4. Step 4: Simplify right side
   2,074.93x = 3,274,084.59
5. Step 5: Solve for x
   x = 3,274,084.59/2,074.93
6. Step 6: Final answer
   x = 1,577.93