Finding the Fourth Proportional to 11,380.88, 17,067.98 and 3,983.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.88 : 17,067.98 = 3,983.96 : x
2. Step 2: Convert to fraction form
   11,380.88/17,067.98 = 3,983.96/x
3. Step 3: Cross multiply
   11,380.88x = 17,067.98 × 3,983.96
4. Step 4: Simplify right side
   11,380.88x = 67,998,149.60
5. Step 5: Solve for x
   x = 67,998,149.60/11,380.88
6. Step 6: Final answer
   x = 5,974.77