Finding the Fourth Proportional to 11,940.29, 16,477.76 and 7,224.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,940.29 : 16,477.76 = 7,224.57 : x
2. Step 2: Convert to fraction form
   11,940.29/16,477.76 = 7,224.57/x
3. Step 3: Cross multiply
   11,940.29x = 16,477.76 × 7,224.57
4. Step 4: Simplify right side
   11,940.29x = 119,044,748.62
5. Step 5: Solve for x
   x = 119,044,748.62/11,940.29
6. Step 6: Final answer
   x = 9,970.01