Finding the Fourth Proportional to 11,013.34, 16,517.56 and 3,992.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,013.34 : 16,517.56 = 3,992.26 : x
2. Step 2: Convert to fraction form
   11,013.34/16,517.56 = 3,992.26/x
3. Step 3: Cross multiply
   11,013.34x = 16,517.56 × 3,992.26
4. Step 4: Simplify right side
   11,013.34x = 65,942,394.09
5. Step 5: Solve for x
   x = 65,942,394.09/11,013.34
6. Step 6: Final answer
   x = 5,987.50