Finding the Fourth Proportional to 1,105.88, 1,651.42 and 1,049.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.88 : 1,651.42 = 1,049.72 : x
2. Step 2: Convert to fraction form
   1,105.88/1,651.42 = 1,049.72/x
3. Step 3: Cross multiply
   1,105.88x = 1,651.42 × 1,049.72
4. Step 4: Simplify right side
   1,105.88x = 1,733,528.60
5. Step 5: Solve for x
   x = 1,733,528.60/1,105.88
6. Step 6: Final answer
   x = 1,567.56