Finding the Fourth Proportional to 2,082.72, 3,125.16 and 851.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.72 : 3,125.16 = 851.04 : x
2. Step 2: Convert to fraction form
   2,082.72/3,125.16 = 851.04/x
3. Step 3: Cross multiply
   2,082.72x = 3,125.16 × 851.04
4. Step 4: Simplify right side
   2,082.72x = 2,659,636.17
5. Step 5: Solve for x
   x = 2,659,636.17/2,082.72
6. Step 6: Final answer
   x = 1,277.00