Finding the Fourth Proportional to 9,996.42, 13,792.29 and 5,747.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.42 : 13,792.29 = 5,747.25 : x
2. Step 2: Convert to fraction form
   9,996.42/13,792.29 = 5,747.25/x
3. Step 3: Cross multiply
   9,996.42x = 13,792.29 × 5,747.25
4. Step 4: Simplify right side
   9,996.42x = 79,267,738.70
5. Step 5: Solve for x
   x = 79,267,738.70/9,996.42
6. Step 6: Final answer
   x = 7,929.61