Finding the Fourth Proportional to 8,322.91, 12,471.06 and 5,828.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,322.91 : 12,471.06 = 5,828.80 : x
2. Step 2: Convert to fraction form
   8,322.91/12,471.06 = 5,828.80/x
3. Step 3: Cross multiply
   8,322.91x = 12,471.06 × 5,828.80
4. Step 4: Simplify right side
   8,322.91x = 72,691,314.53
5. Step 5: Solve for x
   x = 72,691,314.53/8,322.91
6. Step 6: Final answer
   x = 8,733.88