Finding the Fourth Proportional to 11,261.34, 16,873.47 and 3,861.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,261.34 : 16,873.47 = 3,861.72 : x
2. Step 2: Convert to fraction form
   11,261.34/16,873.47 = 3,861.72/x
3. Step 3: Cross multiply
   11,261.34x = 16,873.47 × 3,861.72
4. Step 4: Simplify right side
   11,261.34x = 65,160,616.57
5. Step 5: Solve for x
   x = 65,160,616.57/11,261.34
6. Step 6: Final answer
   x = 5,786.22