Finding the Fourth Proportional to 2,208.10, 3,047.24 and 1,213.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.10 : 3,047.24 = 1,213.41 : x
2. Step 2: Convert to fraction form
   2,208.10/3,047.24 = 1,213.41/x
3. Step 3: Cross multiply
   2,208.10x = 3,047.24 × 1,213.41
4. Step 4: Simplify right side
   2,208.10x = 3,697,543.09
5. Step 5: Solve for x
   x = 3,697,543.09/2,208.10
6. Step 6: Final answer
   x = 1,674.54