Finding the Fourth Proportional to 2,315.76, 3,471.72 and 1,082.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.76 : 3,471.72 = 1,082.52 : x
2. Step 2: Convert to fraction form
   2,315.76/3,471.72 = 1,082.52/x
3. Step 3: Cross multiply
   2,315.76x = 3,471.72 × 1,082.52
4. Step 4: Simplify right side
   2,315.76x = 3,758,206.33
5. Step 5: Solve for x
   x = 3,758,206.33/2,315.76
6. Step 6: Final answer
   x = 1,622.88