Finding the Fourth Proportional to 9,969.13, 13,759.39 and 5,723.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.13 : 13,759.39 = 5,723.06 : x
2. Step 2: Convert to fraction form
   9,969.13/13,759.39 = 5,723.06/x
3. Step 3: Cross multiply
   9,969.13x = 13,759.39 × 5,723.06
4. Step 4: Simplify right side
   9,969.13x = 78,745,814.53
5. Step 5: Solve for x
   x = 78,745,814.53/9,969.13
6. Step 6: Final answer
   x = 7,898.97