Finding the Fourth Proportional to 14,648.42, 20,214.82 and 7,934.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,648.42 : 20,214.82 = 7,934.10 : x
2. Step 2: Convert to fraction form
   14,648.42/20,214.82 = 7,934.10/x
3. Step 3: Cross multiply
   14,648.42x = 20,214.82 × 7,934.10
4. Step 4: Simplify right side
   14,648.42x = 160,386,403.36
5. Step 5: Solve for x
   x = 160,386,403.36/14,648.42
6. Step 6: Final answer
   x = 10,949.06