Finding the Fourth Proportional to 11,243.22, 16,861.89 and 3,343.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,243.22 : 16,861.89 = 3,343.61 : x
2. Step 2: Convert to fraction form
   11,243.22/16,861.89 = 3,343.61/x
3. Step 3: Cross multiply
   11,243.22x = 16,861.89 × 3,343.61
4. Step 4: Simplify right side
   11,243.22x = 56,379,499.71
5. Step 5: Solve for x
   x = 56,379,499.71/11,243.22
6. Step 6: Final answer
   x = 5,014.53