Finding the Fourth Proportional to 2,109.01, 3,163.89 and 722.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.01 : 3,163.89 = 722.02 : x
2. Step 2: Convert to fraction form
   2,109.01/3,163.89 = 722.02/x
3. Step 3: Cross multiply
   2,109.01x = 3,163.89 × 722.02
4. Step 4: Simplify right side
   2,109.01x = 2,284,388.25
5. Step 5: Solve for x
   x = 2,284,388.25/2,109.01
6. Step 6: Final answer
   x = 1,083.16