Finding the Fourth Proportional to 9,292.38, 13,938.60 and 2,718.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,292.38 : 13,938.60 = 2,718.72 : x
2. Step 2: Convert to fraction form
   9,292.38/13,938.60 = 2,718.72/x
3. Step 3: Cross multiply
   9,292.38x = 13,938.60 × 2,718.72
4. Step 4: Simplify right side
   9,292.38x = 37,895,150.59
5. Step 5: Solve for x
   x = 37,895,150.59/9,292.38
6. Step 6: Final answer
   x = 4,078.09