Finding the Fourth Proportional to 1,811.22, 2,499.22 and 1,044.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.22 : 2,499.22 = 1,044.55 : x
2. Step 2: Convert to fraction form
   1,811.22/2,499.22 = 1,044.55/x
3. Step 3: Cross multiply
   1,811.22x = 2,499.22 × 1,044.55
4. Step 4: Simplify right side
   1,811.22x = 2,610,560.25
5. Step 5: Solve for x
   x = 2,610,560.25/1,811.22
6. Step 6: Final answer
   x = 1,441.33