Finding the Fourth Proportional to 2,208.27, 3,047.40 and 1,213.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.27 : 3,047.40 = 1,213.59 : x
2. Step 2: Convert to fraction form
   2,208.27/3,047.40 = 1,213.59/x
3. Step 3: Cross multiply
   2,208.27x = 3,047.40 × 1,213.59
4. Step 4: Simplify right side
   2,208.27x = 3,698,294.17
5. Step 5: Solve for x
   x = 3,698,294.17/2,208.27
6. Step 6: Final answer
   x = 1,674.75