Finding the Fourth Proportional to 2,090.52, 2,884.94 and 1,206.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.52 : 2,884.94 = 1,206.27 : x
2. Step 2: Convert to fraction form
   2,090.52/2,884.94 = 1,206.27/x
3. Step 3: Cross multiply
   2,090.52x = 2,884.94 × 1,206.27
4. Step 4: Simplify right side
   2,090.52x = 3,480,016.57
5. Step 5: Solve for x
   x = 3,480,016.57/2,090.52
6. Step 6: Final answer
   x = 1,664.67