Finding the Fourth Proportional to 2,208.57, 3,047.74 and 1,200.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.57 : 3,047.74 = 1,200.23 : x
2. Step 2: Convert to fraction form
   2,208.57/3,047.74 = 1,200.23/x
3. Step 3: Cross multiply
   2,208.57x = 3,047.74 × 1,200.23
4. Step 4: Simplify right side
   2,208.57x = 3,657,988.98
5. Step 5: Solve for x
   x = 3,657,988.98/2,208.57
6. Step 6: Final answer
   x = 1,656.27