Finding the Fourth Proportional to 2,938.59, 4,406.27 and 1,208.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.59 : 4,406.27 = 1,208.43 : x
2. Step 2: Convert to fraction form
   2,938.59/4,406.27 = 1,208.43/x
3. Step 3: Cross multiply
   2,938.59x = 4,406.27 × 1,208.43
4. Step 4: Simplify right side
   2,938.59x = 5,324,662.81
5. Step 5: Solve for x
   x = 5,324,662.81/2,938.59
6. Step 6: Final answer
   x = 1,811.98