Finding the Fourth Proportional to 12,196.27, 18,308.95 and 7,268.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.27 : 18,308.95 = 7,268.23 : x
2. Step 2: Convert to fraction form
   12,196.27/18,308.95 = 7,268.23/x
3. Step 3: Cross multiply
   12,196.27x = 18,308.95 × 7,268.23
4. Step 4: Simplify right side
   12,196.27x = 133,073,531.77
5. Step 5: Solve for x
   x = 133,073,531.77/12,196.27
6. Step 6: Final answer
   x = 10,911.01