Finding the Fourth Proportional to 2,074.50, 2,862.81 and 1,143

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.50 : 2,862.81 = 1,143 : x
2. Step 2: Convert to fraction form
   2,074.50/2,862.81 = 1,143/x
3. Step 3: Cross multiply
   2,074.50x = 2,862.81 × 1,143
4. Step 4: Simplify right side
   2,074.50x = 3,272,191.83
5. Step 5: Solve for x
   x = 3,272,191.83/2,074.50
6. Step 6: Final answer
   x = 1,577.34