Finding the Fourth Proportional to 11,587.34, 17,382.38 and 8,684.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,587.34 : 17,382.38 = 8,684.10 : x
2. Step 2: Convert to fraction form
   11,587.34/17,382.38 = 8,684.10/x
3. Step 3: Cross multiply
   11,587.34x = 17,382.38 × 8,684.10
4. Step 4: Simplify right side
   11,587.34x = 150,950,326.16
5. Step 5: Solve for x
   x = 150,950,326.16/11,587.34
6. Step 6: Final answer
   x = 13,027.18