Finding the Fourth Proportional to 9,826.88, 13,561 and 5,350.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.88 : 13,561 = 5,350.62 : x
2. Step 2: Convert to fraction form
   9,826.88/13,561 = 5,350.62/x
3. Step 3: Cross multiply
   9,826.88x = 13,561 × 5,350.62
4. Step 4: Simplify right side
   9,826.88x = 72,559,757.82
5. Step 5: Solve for x
   x = 72,559,757.82/9,826.88
6. Step 6: Final answer
   x = 7,383.80