Finding the Fourth Proportional to 14,851.08, 20,494.50 and 8,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,851.08 : 20,494.50 = 8,136.72 : x
2. Step 2: Convert to fraction form
   14,851.08/20,494.50 = 8,136.72/x
3. Step 3: Cross multiply
   14,851.08x = 20,494.50 × 8,136.72
4. Step 4: Simplify right side
   14,851.08x = 166,758,008.04
5. Step 5: Solve for x
   x = 166,758,008.04/14,851.08
6. Step 6: Final answer
   x = 11,228.68