Finding the Fourth Proportional to 22,357.68, 33,530.76 and 8,499.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,357.68 : 33,530.76 = 8,499.12 : x
2. Step 2: Convert to fraction form
   22,357.68/33,530.76 = 8,499.12/x
3. Step 3: Cross multiply
   22,357.68x = 33,530.76 × 8,499.12
4. Step 4: Simplify right side
   22,357.68x = 284,981,952.93
5. Step 5: Solve for x
   x = 284,981,952.93/22,357.68
6. Step 6: Final answer
   x = 12,746.49