Finding the Fourth Proportional to 14,824.04, 20,457.01 and 8,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   14,824.04 : 20,457.01 = 8,109.59 : x
2. Step 2: Convert to fraction form
   14,824.04/20,457.01 = 8,109.59/x
3. Step 3: Cross multiply
   14,824.04x = 20,457.01 × 8,109.59
4. Step 4: Simplify right side
   14,824.04x = 165,898,049.89
5. Step 5: Solve for x
   x = 165,898,049.89/14,824.04
6. Step 6: Final answer
   x = 11,191.15