Finding the Fourth Proportional to 2,200.69, 3,037.05 and 1,206.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.69 : 3,037.05 = 1,206.10 : x
2. Step 2: Convert to fraction form
   2,200.69/3,037.05 = 1,206.10/x
3. Step 3: Cross multiply
   2,200.69x = 3,037.05 × 1,206.10
4. Step 4: Simplify right side
   2,200.69x = 3,662,986.01
5. Step 5: Solve for x
   x = 3,662,986.01/2,200.69
6. Step 6: Final answer
   x = 1,664.47