Finding the Fourth Proportional to 9,826.91, 13,561.04 and 5,350.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.91 : 13,561.04 = 5,350.65 : x
2. Step 2: Convert to fraction form
   9,826.91/13,561.04 = 5,350.65/x
3. Step 3: Cross multiply
   9,826.91x = 13,561.04 × 5,350.65
4. Step 4: Simplify right side
   9,826.91x = 72,560,392.05
5. Step 5: Solve for x
   x = 72,560,392.05/9,826.91
6. Step 6: Final answer
   x = 7,383.85