Finding the Fourth Proportional to 9,969.70, 13,760.17 and 5,723.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.70 : 13,760.17 = 5,723.63 : x
2. Step 2: Convert to fraction form
   9,969.70/13,760.17 = 5,723.63/x
3. Step 3: Cross multiply
   9,969.70x = 13,760.17 × 5,723.63
4. Step 4: Simplify right side
   9,969.70x = 78,758,121.82
5. Step 5: Solve for x
   x = 78,758,121.82/9,969.70
6. Step 6: Final answer
   x = 7,899.75