Finding the Fourth Proportional to 2,315.06, 3,474.12 and 1,082.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.06 : 3,474.12 = 1,082.57 : x
2. Step 2: Convert to fraction form
   2,315.06/3,474.12 = 1,082.57/x
3. Step 3: Cross multiply
   2,315.06x = 3,474.12 × 1,082.57
4. Step 4: Simplify right side
   2,315.06x = 3,760,960.72
5. Step 5: Solve for x
   x = 3,760,960.72/2,315.06
6. Step 6: Final answer
   x = 1,624.57