Finding the Fourth Proportional to 2,200.89, 3,037.23 and 1,206.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.89 : 3,037.23 = 1,206.21 : x
2. Step 2: Convert to fraction form
   2,200.89/3,037.23 = 1,206.21/x
3. Step 3: Cross multiply
   2,200.89x = 3,037.23 × 1,206.21
4. Step 4: Simplify right side
   2,200.89x = 3,663,525.03
5. Step 5: Solve for x
   x = 3,663,525.03/2,200.89
6. Step 6: Final answer
   x = 1,664.57