Finding the Fourth Proportional to 12,351.82, 18,514.46 and 5,335.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,351.82 : 18,514.46 = 5,335.15 : x
2. Step 2: Convert to fraction form
   12,351.82/18,514.46 = 5,335.15/x
3. Step 3: Cross multiply
   12,351.82x = 18,514.46 × 5,335.15
4. Step 4: Simplify right side
   12,351.82x = 98,777,394.59
5. Step 5: Solve for x
   x = 98,777,394.59/12,351.82
6. Step 6: Final answer
   x = 7,996.99