Finding the Fourth Proportional to 9,826.86, 13,560.88 and 5,350.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.86 : 13,560.88 = 5,350.71 : x
2. Step 2: Convert to fraction form
   9,826.86/13,560.88 = 5,350.71/x
3. Step 3: Cross multiply
   9,826.86x = 13,560.88 × 5,350.71
4. Step 4: Simplify right side
   9,826.86x = 72,560,336.22
5. Step 5: Solve for x
   x = 72,560,336.22/9,826.86
6. Step 6: Final answer
   x = 7,383.88