Finding the Fourth Proportional to 9,826.76, 13,561.29 and 5,350.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.76 : 13,561.29 = 5,350.30 : x
2. Step 2: Convert to fraction form
   9,826.76/13,561.29 = 5,350.30/x
3. Step 3: Cross multiply
   9,826.76x = 13,561.29 × 5,350.30
4. Step 4: Simplify right side
   9,826.76x = 72,556,935.98
5. Step 5: Solve for x
   x = 72,556,935.98/9,826.76
6. Step 6: Final answer
   x = 7,383.61