Finding the Fourth Proportional to 10,078.37, 13,890.08 and 8,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.37 : 13,890.08 = 8,196.18 : x
2. Step 2: Convert to fraction form
   10,078.37/13,890.08 = 8,196.18/x
3. Step 3: Cross multiply
   10,078.37x = 13,890.08 × 8,196.18
4. Step 4: Simplify right side
   10,078.37x = 113,845,554.91
5. Step 5: Solve for x
   x = 113,845,554.91/10,078.37
6. Step 6: Final answer
   x = 11,296.03