Finding the Fourth Proportional to 2,810.00, 4,208.42 and 2,221.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.00 : 4,208.42 = 2,221.04 : x
2. Step 2: Convert to fraction form
   2,810.00/4,208.42 = 2,221.04/x
3. Step 3: Cross multiply
   2,810.00x = 4,208.42 × 2,221.04
4. Step 4: Simplify right side
   2,810.00x = 9,347,085.23
5. Step 5: Solve for x
   x = 9,347,085.23/2,810.00
6. Step 6: Final answer
   x = 3,326.37