Finding the Fourth Proportional to 11,817.94, 17,587.42 and 11,424.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817.94 : 17,587.42 = 11,424.22 : x
2. Step 2: Convert to fraction form
   11,817.94/17,587.42 = 11,424.22/x
3. Step 3: Cross multiply
   11,817.94x = 17,587.42 × 11,424.22
4. Step 4: Simplify right side
   11,817.94x = 200,922,555.31
5. Step 5: Solve for x
   x = 200,922,555.31/11,817.94
6. Step 6: Final answer
   x = 17,001.49