Finding the Fourth Proportional to 8,436.22, 12,627.79 and 5,788.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,436.22 : 12,627.79 = 5,788.24 : x
2. Step 2: Convert to fraction form
   8,436.22/12,627.79 = 5,788.24/x
3. Step 3: Cross multiply
   8,436.22x = 12,627.79 × 5,788.24
4. Step 4: Simplify right side
   8,436.22x = 73,092,633.15
5. Step 5: Solve for x
   x = 73,092,633.15/8,436.22
6. Step 6: Final answer
   x = 8,664.15