Finding the Fourth Proportional to 14,846.78, 20,488.54 and 8,132.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,846.78 : 20,488.54 = 8,132.82 : x
2. Step 2: Convert to fraction form
   14,846.78/20,488.54 = 8,132.82/x
3. Step 3: Cross multiply
   14,846.78x = 20,488.54 × 8,132.82
4. Step 4: Simplify right side
   14,846.78x = 166,629,607.88
5. Step 5: Solve for x
   x = 166,629,607.88/14,846.78
6. Step 6: Final answer
   x = 11,223.28