Finding the Fourth Proportional to 14,687.69, 20,269.02 and 7,973.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,687.69 : 20,269.02 = 7,973.31 : x
2. Step 2: Convert to fraction form
   14,687.69/20,269.02 = 7,973.31/x
3. Step 3: Cross multiply
   14,687.69x = 20,269.02 × 7,973.31
4. Step 4: Simplify right side
   14,687.69x = 161,611,179.86
5. Step 5: Solve for x
   x = 161,611,179.86/14,687.69
6. Step 6: Final answer
   x = 11,003.17