Finding the Fourth Proportional to 8,317.72, 12,422.69 and 7,536.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.72 : 12,422.69 = 7,536.16 : x
2. Step 2: Convert to fraction form
   8,317.72/12,422.69 = 7,536.16/x
3. Step 3: Cross multiply
   8,317.72x = 12,422.69 × 7,536.16
4. Step 4: Simplify right side
   8,317.72x = 93,619,379.47
5. Step 5: Solve for x
   x = 93,619,379.47/8,317.72
6. Step 6: Final answer
   x = 11,255.41