Finding the Fourth Proportional to 2,669.00, 4,002.89 and 721.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.00 : 4,002.89 = 721.35 : x
2. Step 2: Convert to fraction form
   2,669.00/4,002.89 = 721.35/x
3. Step 3: Cross multiply
   2,669.00x = 4,002.89 × 721.35
4. Step 4: Simplify right side
   2,669.00x = 2,887,481.09
5. Step 5: Solve for x
   x = 2,887,481.09/2,669.00
6. Step 6: Final answer
   x = 1,081.86