Finding the Fourth Proportional to 2,938.15, 4,406.64 and 1,294.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.15 : 4,406.64 = 1,294.30 : x
2. Step 2: Convert to fraction form
   2,938.15/4,406.64 = 1,294.30/x
3. Step 3: Cross multiply
   2,938.15x = 4,406.64 × 1,294.30
4. Step 4: Simplify right side
   2,938.15x = 5,703,514.15
5. Step 5: Solve for x
   x = 5,703,514.15/2,938.15
6. Step 6: Final answer
   x = 1,941.19