Finding the Fourth Proportional to 12,351.72, 18,514.29 and 5,335.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,351.72 : 18,514.29 = 5,335.04 : x
2. Step 2: Convert to fraction form
   12,351.72/18,514.29 = 5,335.04/x
3. Step 3: Cross multiply
   12,351.72x = 18,514.29 × 5,335.04
4. Step 4: Simplify right side
   12,351.72x = 98,774,385.15
5. Step 5: Solve for x
   x = 98,774,385.15/12,351.72
6. Step 6: Final answer
   x = 7,996.81