Finding the Fourth Proportional to 9,967.98, 13,740.78 and 8,196.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.98 : 13,740.78 = 8,196.51 : x
2. Step 2: Convert to fraction form
   9,967.98/13,740.78 = 8,196.51/x
3. Step 3: Cross multiply
   9,967.98x = 13,740.78 × 8,196.51
4. Step 4: Simplify right side
   9,967.98x = 112,626,440.68
5. Step 5: Solve for x
   x = 112,626,440.68/9,967.98
6. Step 6: Final answer
   x = 11,298.82