Finding the Fourth Proportional to 2,055.84, 3,079.92 and 1,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.84 : 3,079.92 = 1,082.72 : x
2. Step 2: Convert to fraction form
   2,055.84/3,079.92 = 1,082.72/x
3. Step 3: Cross multiply
   2,055.84x = 3,079.92 × 1,082.72
4. Step 4: Simplify right side
   2,055.84x = 3,334,690.98
5. Step 5: Solve for x
   x = 3,334,690.98/2,055.84
6. Step 6: Final answer
   x = 1,622.06