Finding the Fourth Proportional to 14,680.88, 20,259.71 and 7,966.45

Step by Step Solution

1. Step 1: Write the proportion equation
   14,680.88 : 20,259.71 = 7,966.45 : x
2. Step 2: Convert to fraction form
   14,680.88/20,259.71 = 7,966.45/x
3. Step 3: Cross multiply
   14,680.88x = 20,259.71 × 7,966.45
4. Step 4: Simplify right side
   14,680.88x = 161,397,970.89
5. Step 5: Solve for x
   x = 161,397,970.89/14,680.88
6. Step 6: Final answer
   x = 10,993.75