Finding the Fourth Proportional to 2,074.02, 2,862.18 and 1,142.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.02 : 2,862.18 = 1,142.52 : x
2. Step 2: Convert to fraction form
   2,074.02/2,862.18 = 1,142.52/x
3. Step 3: Cross multiply
   2,074.02x = 2,862.18 × 1,142.52
4. Step 4: Simplify right side
   2,074.02x = 3,270,097.89
5. Step 5: Solve for x
   x = 3,270,097.89/2,074.02
6. Step 6: Final answer
   x = 1,576.70