Finding the Fourth Proportional to 1,782.56, 2,459.76 and 1,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.56 : 2,459.76 = 1,082.72 : x
2. Step 2: Convert to fraction form
   1,782.56/2,459.76 = 1,082.72/x
3. Step 3: Cross multiply
   1,782.56x = 2,459.76 × 1,082.72
4. Step 4: Simplify right side
   1,782.56x = 2,663,231.35
5. Step 5: Solve for x
   x = 2,663,231.35/1,782.56
6. Step 6: Final answer
   x = 1,494.05