Finding the Fourth Proportional to 12,275.82, 18,399.46 and 7,014.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,275.82 : 18,399.46 = 7,014.52 : x
2. Step 2: Convert to fraction form
   12,275.82/18,399.46 = 7,014.52/x
3. Step 3: Cross multiply
   12,275.82x = 18,399.46 × 7,014.52
4. Step 4: Simplify right side
   12,275.82x = 129,063,391.09
5. Step 5: Solve for x
   x = 129,063,391.09/12,275.82
6. Step 6: Final answer
   x = 10,513.62