Finding the Fourth Proportional to 11,223.41, 16,827.60 and 7,894.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,223.41 : 16,827.60 = 7,894.39 : x
2. Step 2: Convert to fraction form
   11,223.41/16,827.60 = 7,894.39/x
3. Step 3: Cross multiply
   11,223.41x = 16,827.60 × 7,894.39
4. Step 4: Simplify right side
   11,223.41x = 132,843,564.52
5. Step 5: Solve for x
   x = 132,843,564.52/11,223.41
6. Step 6: Final answer
   x = 11,836.29