Finding the Fourth Proportional to 11,264.49, 16,892.42 and 3,867.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,264.49 : 16,892.42 = 3,867.57 : x
2. Step 2: Convert to fraction form
   11,264.49/16,892.42 = 3,867.57/x
3. Step 3: Cross multiply
   11,264.49x = 16,892.42 × 3,867.57
4. Step 4: Simplify right side
   11,264.49x = 65,332,597.48
5. Step 5: Solve for x
   x = 65,332,597.48/11,264.49
6. Step 6: Final answer
   x = 5,799.87