Finding the Fourth Proportional to 16,396.96, 24,612.72 and 7,640.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,396.96 : 24,612.72 = 7,640.32 : x
2. Step 2: Convert to fraction form
   16,396.96/24,612.72 = 7,640.32/x
3. Step 3: Cross multiply
   16,396.96x = 24,612.72 × 7,640.32
4. Step 4: Simplify right side
   16,396.96x = 188,049,056.87
5. Step 5: Solve for x
   x = 188,049,056.87/16,396.96
6. Step 6: Final answer
   x = 11,468.53