Finding the Fourth Proportional to 11,611.36, 17,414.71 and 5,685.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,611.36 : 17,414.71 = 5,685.69 : x
2. Step 2: Convert to fraction form
   11,611.36/17,414.71 = 5,685.69/x
3. Step 3: Cross multiply
   11,611.36x = 17,414.71 × 5,685.69
4. Step 4: Simplify right side
   11,611.36x = 99,014,642.50
5. Step 5: Solve for x
   x = 99,014,642.50/11,611.36
6. Step 6: Final answer
   x = 8,527.39