Finding the Fourth Proportional to 9,826.38, 13,560.31 and 5,350.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.38 : 13,560.31 = 5,350.12 : x
2. Step 2: Convert to fraction form
   9,826.38/13,560.31 = 5,350.12/x
3. Step 3: Cross multiply
   9,826.38x = 13,560.31 × 5,350.12
4. Step 4: Simplify right side
   9,826.38x = 72,549,217.94
5. Step 5: Solve for x
   x = 72,549,217.94/9,826.38
6. Step 6: Final answer
   x = 7,383.11