Finding the Fourth Proportional to 14,141.25, 19,514.25 and 8,479.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,141.25 : 19,514.25 = 8,479.15 : x
2. Step 2: Convert to fraction form
   14,141.25/19,514.25 = 8,479.15/x
3. Step 3: Cross multiply
   14,141.25x = 19,514.25 × 8,479.15
4. Step 4: Simplify right side
   14,141.25x = 165,464,204.10
5. Step 5: Solve for x
   x = 165,464,204.10/14,141.25
6. Step 6: Final answer
   x = 11,700.82