Finding the Fourth Proportional to 2,661.27, 3,993.93 and 1,201.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.27 : 3,993.93 = 1,201.43 : x
2. Step 2: Convert to fraction form
   2,661.27/3,993.93 = 1,201.43/x
3. Step 3: Cross multiply
   2,661.27x = 3,993.93 × 1,201.43
4. Step 4: Simplify right side
   2,661.27x = 4,798,407.35
5. Step 5: Solve for x
   x = 4,798,407.35/2,661.27
6. Step 6: Final answer
   x = 1,803.05