Finding the Fourth Proportional to 16,415.69, 22,633.89 and 11,384.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,415.69 : 22,633.89 = 11,384.24 : x
2. Step 2: Convert to fraction form
   16,415.69/22,633.89 = 11,384.24/x
3. Step 3: Cross multiply
   16,415.69x = 22,633.89 × 11,384.24
4. Step 4: Simplify right side
   16,415.69x = 257,669,522.72
5. Step 5: Solve for x
   x = 257,669,522.72/16,415.69
6. Step 6: Final answer
   x = 15,696.54