Finding the Fourth Proportional to 2,056.41, 3,085.70 and 1,082.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.41 : 3,085.70 = 1,082.61 : x
2. Step 2: Convert to fraction form
   2,056.41/3,085.70 = 1,082.61/x
3. Step 3: Cross multiply
   2,056.41x = 3,085.70 × 1,082.61
4. Step 4: Simplify right side
   2,056.41x = 3,340,604.26
5. Step 5: Solve for x
   x = 3,340,604.26/2,056.41
6. Step 6: Final answer
   x = 1,624.48