Finding the Fourth Proportional to 1,561.92, 2,337.78 and 1,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.92 : 2,337.78 = 1,150.88 : x
2. Step 2: Convert to fraction form
   1,561.92/2,337.78 = 1,150.88/x
3. Step 3: Cross multiply
   1,561.92x = 2,337.78 × 1,150.88
4. Step 4: Simplify right side
   1,561.92x = 2,690,504.25
5. Step 5: Solve for x
   x = 2,690,504.25/1,561.92
6. Step 6: Final answer
   x = 1,722.56