Finding the Fourth Proportional to 9,993.42, 13,790.76 and 5,744.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.42 : 13,790.76 = 5,744.70 : x
2. Step 2: Convert to fraction form
   9,993.42/13,790.76 = 5,744.70/x
3. Step 3: Cross multiply
   9,993.42x = 13,790.76 × 5,744.70
4. Step 4: Simplify right side
   9,993.42x = 79,223,778.97
5. Step 5: Solve for x
   x = 79,223,778.97/9,993.42
6. Step 6: Final answer
   x = 7,927.59