Finding the Fourth Proportional to 1,522.16, 2,278.38 and 1,082.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.16 : 2,278.38 = 1,082.33 : x
2. Step 2: Convert to fraction form
   1,522.16/2,278.38 = 1,082.33/x
3. Step 3: Cross multiply
   1,522.16x = 2,278.38 × 1,082.33
4. Step 4: Simplify right side
   1,522.16x = 2,465,959.03
5. Step 5: Solve for x
   x = 2,465,959.03/1,522.16
6. Step 6: Final answer
   x = 1,620.04