Finding the Fourth Proportional to 13,223.82, 18,246.86 and 8,514.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,223.82 : 18,246.86 = 8,514.48 : x
2. Step 2: Convert to fraction form
   13,223.82/18,246.86 = 8,514.48/x
3. Step 3: Cross multiply
   13,223.82x = 18,246.86 × 8,514.48
4. Step 4: Simplify right side
   13,223.82x = 155,362,524.53
5. Step 5: Solve for x
   x = 155,362,524.53/13,223.82
6. Step 6: Final answer
   x = 11,748.69