Finding the Fourth Proportional to 1,610.43, 2,222.88 and 1,049.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.43 : 2,222.88 = 1,049.91 : x
2. Step 2: Convert to fraction form
   1,610.43/2,222.88 = 1,049.91/x
3. Step 3: Cross multiply
   1,610.43x = 2,222.88 × 1,049.91
4. Step 4: Simplify right side
   1,610.43x = 2,333,823.94
5. Step 5: Solve for x
   x = 2,333,823.94/1,610.43
6. Step 6: Final answer
   x = 1,449.19