Finding the Fourth Proportional to 2,200.81, 3,037.01 and 1,206.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.81 : 3,037.01 = 1,206.06 : x
2. Step 2: Convert to fraction form
   2,200.81/3,037.01 = 1,206.06/x
3. Step 3: Cross multiply
   2,200.81x = 3,037.01 × 1,206.06
4. Step 4: Simplify right side
   2,200.81x = 3,662,816.28
5. Step 5: Solve for x
   x = 3,662,816.28/2,200.81
6. Step 6: Final answer
   x = 1,664.31