Finding the Fourth Proportional to 14,665.15, 20,237.94 and 7,950.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,665.15 : 20,237.94 = 7,950.72 : x
2. Step 2: Convert to fraction form
   14,665.15/20,237.94 = 7,950.72/x
3. Step 3: Cross multiply
   14,665.15x = 20,237.94 × 7,950.72
4. Step 4: Simplify right side
   14,665.15x = 160,906,194.32
5. Step 5: Solve for x
   x = 160,906,194.32/14,665.15
6. Step 6: Final answer
   x = 10,972.01