Finding the Fourth Proportional to 1,981.34, 2,734.30 and 1,142.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.34 : 2,734.30 = 1,142.24 : x
2. Step 2: Convert to fraction form
   1,981.34/2,734.30 = 1,142.24/x
3. Step 3: Cross multiply
   1,981.34x = 2,734.30 × 1,142.24
4. Step 4: Simplify right side
   1,981.34x = 3,123,226.83
5. Step 5: Solve for x
   x = 3,123,226.83/1,981.34
6. Step 6: Final answer
   x = 1,576.32