Finding the Fourth Proportional to 11,748.69, 16,213.32 and 6,443.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.69 : 16,213.32 = 6,443.37 : x
2. Step 2: Convert to fraction form
   11,748.69/16,213.32 = 6,443.37/x
3. Step 3: Cross multiply
   11,748.69x = 16,213.32 × 6,443.37
4. Step 4: Simplify right side
   11,748.69x = 104,468,419.69
5. Step 5: Solve for x
   x = 104,468,419.69/11,748.69
6. Step 6: Final answer
   x = 8,891.92