Finding the Fourth Proportional to 8,536.89, 12,788.06 and 4,424.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,536.89 : 12,788.06 = 4,424.25 : x
2. Step 2: Convert to fraction form
   8,536.89/12,788.06 = 4,424.25/x
3. Step 3: Cross multiply
   8,536.89x = 12,788.06 × 4,424.25
4. Step 4: Simplify right side
   8,536.89x = 56,577,552.33
5. Step 5: Solve for x
   x = 56,577,552.33/8,536.89
6. Step 6: Final answer
   x = 6,627.42