Finding the Fourth Proportional to 1,485.52, 2,049.78 and 896.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.52 : 2,049.78 = 896.08 : x
2. Step 2: Convert to fraction form
   1,485.52/2,049.78 = 896.08/x
3. Step 3: Cross multiply
   1,485.52x = 2,049.78 × 896.08
4. Step 4: Simplify right side
   1,485.52x = 1,836,766.86
5. Step 5: Solve for x
   x = 1,836,766.86/1,485.52
6. Step 6: Final answer
   x = 1,236.45