Finding the Fourth Proportional to 1,906.52, 2,856.04 and 1,082.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.52 : 2,856.04 = 1,082.32 : x
2. Step 2: Convert to fraction form
   1,906.52/2,856.04 = 1,082.32/x
3. Step 3: Cross multiply
   1,906.52x = 2,856.04 × 1,082.32
4. Step 4: Simplify right side
   1,906.52x = 3,091,149.21
5. Step 5: Solve for x
   x = 3,091,149.21/1,906.52
6. Step 6: Final answer
   x = 1,621.36