Finding the Fourth Proportional to 2,082.50, 3,125.10 and 1,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.50 : 3,125.10 = 1,056.50 : x
2. Step 2: Convert to fraction form
   2,082.50/3,125.10 = 1,056.50/x
3. Step 3: Cross multiply
   2,082.50x = 3,125.10 × 1,056.50
4. Step 4: Simplify right side
   2,082.50x = 3,301,668.15
5. Step 5: Solve for x
   x = 3,301,668.15/2,082.50
6. Step 6: Final answer
   x = 1,585.43