Finding the Fourth Proportional to 9,926.72, 13,698.89 and 5,734.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.72 : 13,698.89 = 5,734.97 : x
2. Step 2: Convert to fraction form
   9,926.72/13,698.89 = 5,734.97/x
3. Step 3: Cross multiply
   9,926.72x = 13,698.89 × 5,734.97
4. Step 4: Simplify right side
   9,926.72x = 78,562,698.89
5. Step 5: Solve for x
   x = 78,562,698.89/9,926.72
6. Step 6: Final answer
   x = 7,914.27