Finding the Fourth Proportional to 9,308.85, 12,846.77 and 5,329.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,308.85 : 12,846.77 = 5,329.86 : x
2. Step 2: Convert to fraction form
   9,308.85/12,846.77 = 5,329.86/x
3. Step 3: Cross multiply
   9,308.85x = 12,846.77 × 5,329.86
4. Step 4: Simplify right side
   9,308.85x = 68,471,485.55
5. Step 5: Solve for x
   x = 68,471,485.55/9,308.85
6. Step 6: Final answer
   x = 7,355.53