Finding the Fourth Proportional to 11,381.17, 17,074.47 and 3,589.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,381.17 : 17,074.47 = 3,589.99 : x
2. Step 2: Convert to fraction form
   11,381.17/17,074.47 = 3,589.99/x
3. Step 3: Cross multiply
   11,381.17x = 17,074.47 × 3,589.99
4. Step 4: Simplify right side
   11,381.17x = 61,297,176.56
5. Step 5: Solve for x
   x = 61,297,176.56/11,381.17
6. Step 6: Final answer
   x = 5,385.84