Finding the Fourth Proportional to 11,258.88, 16,884.27 and 3,861.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,258.88 : 16,884.27 = 3,861.35 : x
2. Step 2: Convert to fraction form
   11,258.88/16,884.27 = 3,861.35/x
3. Step 3: Cross multiply
   11,258.88x = 16,884.27 × 3,861.35
4. Step 4: Simplify right side
   11,258.88x = 65,196,160.69
5. Step 5: Solve for x
   x = 65,196,160.69/11,258.88
6. Step 6: Final answer
   x = 5,790.64