Finding the Fourth Proportional to 14,846.01, 20,487.04 and 8,131.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,846.01 : 20,487.04 = 8,131.49 : x
2. Step 2: Convert to fraction form
   14,846.01/20,487.04 = 8,131.49/x
3. Step 3: Cross multiply
   14,846.01x = 20,487.04 × 8,131.49
4. Step 4: Simplify right side
   14,846.01x = 166,590,160.89
5. Step 5: Solve for x
   x = 166,590,160.89/14,846.01
6. Step 6: Final answer
   x = 11,221.21