Finding the Fourth Proportional to 16,664.40, 24,990.72 and 7,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,664.40 : 24,990.72 = 7,308.96 : x
2. Step 2: Convert to fraction form
   16,664.40/24,990.72 = 7,308.96/x
3. Step 3: Cross multiply
   16,664.40x = 24,990.72 × 7,308.96
4. Step 4: Simplify right side
   16,664.40x = 182,656,172.85
5. Step 5: Solve for x
   x = 182,656,172.85/16,664.40
6. Step 6: Final answer
   x = 10,960.86