Finding the Fourth Proportional to 1,981.52, 2,734.49 and 1,142.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.52 : 2,734.49 = 1,142.22 : x
2. Step 2: Convert to fraction form
   1,981.52/2,734.49 = 1,142.22/x
3. Step 3: Cross multiply
   1,981.52x = 2,734.49 × 1,142.22
4. Step 4: Simplify right side
   1,981.52x = 3,123,391.03
5. Step 5: Solve for x
   x = 3,123,391.03/1,981.52
6. Step 6: Final answer
   x = 1,576.26