Finding the Fourth Proportional to 9,993.92, 13,792.27 and 5,746.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.92 : 13,792.27 = 5,746.38 : x
2. Step 2: Convert to fraction form
   9,993.92/13,792.27 = 5,746.38/x
3. Step 3: Cross multiply
   9,993.92x = 13,792.27 × 5,746.38
4. Step 4: Simplify right side
   9,993.92x = 79,255,555.52
5. Step 5: Solve for x
   x = 79,255,555.52/9,993.92
6. Step 6: Final answer
   x = 7,930.38