Finding the Fourth Proportional to 11,895.90, 17,819.61 and 5,636.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,895.90 : 17,819.61 = 5,636.94 : x
2. Step 2: Convert to fraction form
   11,895.90/17,819.61 = 5,636.94/x
3. Step 3: Cross multiply
   11,895.90x = 17,819.61 × 5,636.94
4. Step 4: Simplify right side
   11,895.90x = 100,448,072.39
5. Step 5: Solve for x
   x = 100,448,072.39/11,895.90
6. Step 6: Final answer
   x = 8,443.92