Finding the Fourth Proportional to 13,414.41, 18,514.25 and 7,749.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,414.41 : 18,514.25 = 7,749.37 : x
2. Step 2: Convert to fraction form
   13,414.41/18,514.25 = 7,749.37/x
3. Step 3: Cross multiply
   13,414.41x = 18,514.25 × 7,749.37
4. Step 4: Simplify right side
   13,414.41x = 143,473,765.18
5. Step 5: Solve for x
   x = 143,473,765.18/13,414.41
6. Step 6: Final answer
   x = 10,695.50