Finding the Fourth Proportional to 11,748.50, 16,213.42 and 6,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.50 : 16,213.42 = 6,443.52 : x
2. Step 2: Convert to fraction form
   11,748.50/16,213.42 = 6,443.52/x
3. Step 3: Cross multiply
   11,748.50x = 16,213.42 × 6,443.52
4. Step 4: Simplify right side
   11,748.50x = 104,471,496.04
5. Step 5: Solve for x
   x = 104,471,496.04/11,748.50
6. Step 6: Final answer
   x = 8,892.33