Finding the Fourth Proportional to 14,640.69, 20,204.15 and 7,926.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,640.69 : 20,204.15 = 7,926.32 : x
2. Step 2: Convert to fraction form
   14,640.69/20,204.15 = 7,926.32/x
3. Step 3: Cross multiply
   14,640.69x = 20,204.15 × 7,926.32
4. Step 4: Simplify right side
   14,640.69x = 160,144,500.04
5. Step 5: Solve for x
   x = 160,144,500.04/14,640.69
6. Step 6: Final answer
   x = 10,938.31