Finding the Fourth Proportional to 2,669.83, 4,004.82 and 722.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.83 : 4,004.82 = 722.05 : x
2. Step 2: Convert to fraction form
   2,669.83/4,004.82 = 722.05/x
3. Step 3: Cross multiply
   2,669.83x = 4,004.82 × 722.05
4. Step 4: Simplify right side
   2,669.83x = 2,891,656.65
5. Step 5: Solve for x
   x = 2,891,656.65/2,669.83
6. Step 6: Final answer
   x = 1,083.09