Finding the Fourth Proportional to 2,209.02, 3,048.43 and 1,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.02 : 3,048.43 = 1,200.72 : x
2. Step 2: Convert to fraction form
   2,209.02/3,048.43 = 1,200.72/x
3. Step 3: Cross multiply
   2,209.02x = 3,048.43 × 1,200.72
4. Step 4: Simplify right side
   2,209.02x = 3,660,307.87
5. Step 5: Solve for x
   x = 3,660,307.87/2,209.02
6. Step 6: Final answer
   x = 1,656.98