Finding the Fourth Proportional to 2,047.22, 2,826.21 and 1,208.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.22 : 2,826.21 = 1,208.18 : x
2. Step 2: Convert to fraction form
   2,047.22/2,826.21 = 1,208.18/x
3. Step 3: Cross multiply
   2,047.22x = 2,826.21 × 1,208.18
4. Step 4: Simplify right side
   2,047.22x = 3,414,575.20
5. Step 5: Solve for x
   x = 3,414,575.20/2,047.22
6. Step 6: Final answer
   x = 1,667.90