Finding the Fourth Proportional to 8,196.51, 12,212.28 and 8,114.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,196.51 : 12,212.28 = 8,114.58 : x
2. Step 2: Convert to fraction form
   8,196.51/12,212.28 = 8,114.58/x
3. Step 3: Cross multiply
   8,196.51x = 12,212.28 × 8,114.58
4. Step 4: Simplify right side
   8,196.51x = 99,097,523.04
5. Step 5: Solve for x
   x = 99,097,523.04/8,196.51
6. Step 6: Final answer
   x = 12,090.21