Finding the Fourth Proportional to 8,682.29, 11,978.76 and 5,323.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,682.29 : 11,978.76 = 5,323.42 : x
2. Step 2: Convert to fraction form
   8,682.29/11,978.76 = 5,323.42/x
3. Step 3: Cross multiply
   8,682.29x = 11,978.76 × 5,323.42
4. Step 4: Simplify right side
   8,682.29x = 63,767,940.61
5. Step 5: Solve for x
   x = 63,767,940.61/8,682.29
6. Step 6: Final answer
   x = 7,344.60