Finding the Fourth Proportional to 11,380.51, 17,067.42 and 3,983.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.51 : 17,067.42 = 3,983.59 : x
2. Step 2: Convert to fraction form
   11,380.51/17,067.42 = 3,983.59/x
3. Step 3: Cross multiply
   11,380.51x = 17,067.42 × 3,983.59
4. Step 4: Simplify right side
   11,380.51x = 67,989,498.38
5. Step 5: Solve for x
   x = 67,989,498.38/11,380.51
6. Step 6: Final answer
   x = 5,974.21