Finding the Fourth Proportional to 10,078.38, 13,890.06 and 8,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.38 : 13,890.06 = 8,196.18 : x
2. Step 2: Convert to fraction form
   10,078.38/13,890.06 = 8,196.18/x
3. Step 3: Cross multiply
   10,078.38x = 13,890.06 × 8,196.18
4. Step 4: Simplify right side
   10,078.38x = 113,845,431.97
5. Step 5: Solve for x
   x = 113,845,431.97/10,078.38
6. Step 6: Final answer
   x = 11,296.01