Finding the Fourth Proportional to 2,936.16, 4,403.52 and 1,293.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,936.16 : 4,403.52 = 1,293.12 : x
2. Step 2: Convert to fraction form
   2,936.16/4,403.52 = 1,293.12/x
3. Step 3: Cross multiply
   2,936.16x = 4,403.52 × 1,293.12
4. Step 4: Simplify right side
   2,936.16x = 5,694,279.78
5. Step 5: Solve for x
   x = 5,694,279.78/2,936.16
6. Step 6: Final answer
   x = 1,939.36