Finding the Fourth Proportional to 1,762.56, 2,646.72 and 1,082.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.56 : 2,646.72 = 1,082.88 : x
2. Step 2: Convert to fraction form
   1,762.56/2,646.72 = 1,082.88/x
3. Step 3: Cross multiply
   1,762.56x = 2,646.72 × 1,082.88
4. Step 4: Simplify right side
   1,762.56x = 2,866,080.15
5. Step 5: Solve for x
   x = 2,866,080.15/1,762.56
6. Step 6: Final answer
   x = 1,626.09