Finding the Fourth Proportional to 16,469.78, 24,686.94 and 7,114.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,469.78 : 24,686.94 = 7,114.20 : x
2. Step 2: Convert to fraction form
   16,469.78/24,686.94 = 7,114.20/x
3. Step 3: Cross multiply
   16,469.78x = 24,686.94 × 7,114.20
4. Step 4: Simplify right side
   16,469.78x = 175,627,828.55
5. Step 5: Solve for x
   x = 175,627,828.55/16,469.78
6. Step 6: Final answer
   x = 10,663.64