Finding the Fourth Proportional to 2,200.96, 3,037.31 and 1,206.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.96 : 3,037.31 = 1,206.23 : x
2. Step 2: Convert to fraction form
   2,200.96/3,037.31 = 1,206.23/x
3. Step 3: Cross multiply
   2,200.96x = 3,037.31 × 1,206.23
4. Step 4: Simplify right side
   2,200.96x = 3,663,684.53
5. Step 5: Solve for x
   x = 3,663,684.53/2,200.96
6. Step 6: Final answer
   x = 1,664.58