Finding the Fourth Proportional to 2,938.47, 4,406.14 and 1,294.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.47 : 4,406.14 = 1,294.23 : x
2. Step 2: Convert to fraction form
   2,938.47/4,406.14 = 1,294.23/x
3. Step 3: Cross multiply
   2,938.47x = 4,406.14 × 1,294.23
4. Step 4: Simplify right side
   2,938.47x = 5,702,558.57
5. Step 5: Solve for x
   x = 5,702,558.57/2,938.47
6. Step 6: Final answer
   x = 1,940.66