Finding the Fourth Proportional to 9,939.26, 13,716.59 and 5,690.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,939.26 : 13,716.59 = 5,690.00 : x
2. Step 2: Convert to fraction form
   9,939.26/13,716.59 = 5,690.00/x
3. Step 3: Cross multiply
   9,939.26x = 13,716.59 × 5,690.00
4. Step 4: Simplify right side
   9,939.26x = 78,047,300.07
5. Step 5: Solve for x
   x = 78,047,300.07/9,939.26
6. Step 6: Final answer
   x = 7,852.43