Finding the Fourth Proportional to 11,412.36, 17,086.98 and 5,853.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,412.36 : 17,086.98 = 5,853.72 : x
2. Step 2: Convert to fraction form
   11,412.36/17,086.98 = 5,853.72/x
3. Step 3: Cross multiply
   11,412.36x = 17,086.98 × 5,853.72
4. Step 4: Simplify right side
   11,412.36x = 100,022,396.57
5. Step 5: Solve for x
   x = 100,022,396.57/11,412.36
6. Step 6: Final answer
   x = 8,764.39