Finding the Fourth Proportional to 12,594.69, 17,382.25 and 8,131.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,594.69 : 17,382.25 = 8,131.39 : x
2. Step 2: Convert to fraction form
   12,594.69/17,382.25 = 8,131.39/x
3. Step 3: Cross multiply
   12,594.69x = 17,382.25 × 8,131.39
4. Step 4: Simplify right side
   12,594.69x = 141,341,774.80
5. Step 5: Solve for x
   x = 141,341,774.80/12,594.69
6. Step 6: Final answer
   x = 11,222.33