Finding the Fourth Proportional to 9,969.45, 13,759.82 and 5,723.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.45 : 13,759.82 = 5,723.38 : x
2. Step 2: Convert to fraction form
   9,969.45/13,759.82 = 5,723.38/x
3. Step 3: Cross multiply
   9,969.45x = 13,759.82 × 5,723.38
4. Step 4: Simplify right side
   9,969.45x = 78,752,658.50
5. Step 5: Solve for x
   x = 78,752,658.50/9,969.45
6. Step 6: Final answer
   x = 7,899.40