Finding the Fourth Proportional to 11,380.69, 17,072.62 and 3,983.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.69 : 17,072.62 = 3,983.46 : x
2. Step 2: Convert to fraction form
   11,380.69/17,072.62 = 3,983.46/x
3. Step 3: Cross multiply
   11,380.69x = 17,072.62 × 3,983.46
4. Step 4: Simplify right side
   11,380.69x = 68,008,143.32
5. Step 5: Solve for x
   x = 68,008,143.32/11,380.69
6. Step 6: Final answer
   x = 5,975.75