Finding the Fourth Proportional to 11,380.69, 17,074.07 and 3,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.69 : 17,074.07 = 3,589.50 : x
2. Step 2: Convert to fraction form
   11,380.69/17,074.07 = 3,589.50/x
3. Step 3: Cross multiply
   11,380.69x = 17,074.07 × 3,589.50
4. Step 4: Simplify right side
   11,380.69x = 61,287,369.78
5. Step 5: Solve for x
   x = 61,287,369.78/11,380.69
6. Step 6: Final answer
   x = 5,385.21