Finding the Fourth Proportional to 1,082.01, 1,493.24 and 819.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.01 : 1,493.24 = 819.57 : x
2. Step 2: Convert to fraction form
   1,082.01/1,493.24 = 819.57/x
3. Step 3: Cross multiply
   1,082.01x = 1,493.24 × 819.57
4. Step 4: Simplify right side
   1,082.01x = 1,223,810.61
5. Step 5: Solve for x
   x = 1,223,810.61/1,082.01
6. Step 6: Final answer
   x = 1,131.05