Finding the Fourth Proportional to 1,949.76, 2,920.32 and 1,082.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.76 : 2,920.32 = 1,082.52 : x
2. Step 2: Convert to fraction form
   1,949.76/2,920.32 = 1,082.52/x
3. Step 3: Cross multiply
   1,949.76x = 2,920.32 × 1,082.52
4. Step 4: Simplify right side
   1,949.76x = 3,161,304.81
5. Step 5: Solve for x
   x = 3,161,304.81/1,949.76
6. Step 6: Final answer
   x = 1,621.38