Finding the Fourth Proportional to 2,208.06, 3,303.59 and 1,619.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.06 : 3,303.59 = 1,619.19 : x
2. Step 2: Convert to fraction form
   2,208.06/3,303.59 = 1,619.19/x
3. Step 3: Cross multiply
   2,208.06x = 3,303.59 × 1,619.19
4. Step 4: Simplify right side
   2,208.06x = 5,349,131.80
5. Step 5: Solve for x
   x = 5,349,131.80/2,208.06
6. Step 6: Final answer
   x = 2,422.55