Finding the Fourth Proportional to 9,992.38, 13,789.62 and 5,744.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.38 : 13,789.62 = 5,744.08 : x
2. Step 2: Convert to fraction form
   9,992.38/13,789.62 = 5,744.08/x
3. Step 3: Cross multiply
   9,992.38x = 13,789.62 × 5,744.08
4. Step 4: Simplify right side
   9,992.38x = 79,208,680.45
5. Step 5: Solve for x
   x = 79,208,680.45/9,992.38
6. Step 6: Final answer
   x = 7,926.91