Finding the Fourth Proportional to 11,243.10, 16,861.72 and 3,343.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,243.10 : 16,861.72 = 3,343.49 : x
2. Step 2: Convert to fraction form
   11,243.10/16,861.72 = 3,343.49/x
3. Step 3: Cross multiply
   11,243.10x = 16,861.72 × 3,343.49
4. Step 4: Simplify right side
   11,243.10x = 56,376,978.64
5. Step 5: Solve for x
   x = 56,376,978.64/11,243.10
6. Step 6: Final answer
   x = 5,014.36