Finding the Fourth Proportional to 11,260.89, 16,872.84 and 3,861.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,260.89 : 16,872.84 = 3,861.34 : x
2. Step 2: Convert to fraction form
   11,260.89/16,872.84 = 3,861.34/x
3. Step 3: Cross multiply
   11,260.89x = 16,872.84 × 3,861.34
4. Step 4: Simplify right side
   11,260.89x = 65,151,729.82
5. Step 5: Solve for x
   x = 65,151,729.82/11,260.89
6. Step 6: Final answer
   x = 5,785.66