Finding the Fourth Proportional to 8,852.36, 12,217.30 and 5,317.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,852.36 : 12,217.30 = 5,317.52 : x
2. Step 2: Convert to fraction form
   8,852.36/12,217.30 = 5,317.52/x
3. Step 3: Cross multiply
   8,852.36x = 12,217.30 × 5,317.52
4. Step 4: Simplify right side
   8,852.36x = 64,965,662.72
5. Step 5: Solve for x
   x = 64,965,662.72/8,852.36
6. Step 6: Final answer
   x = 7,338.80