Finding the Fourth Proportional to 22,105.52, 30,506.72 and 12,674.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.52 : 30,506.72 = 12,674.08 : x
2. Step 2: Convert to fraction form
   22,105.52/30,506.72 = 12,674.08/x
3. Step 3: Cross multiply
   22,105.52x = 30,506.72 × 12,674.08
4. Step 4: Simplify right side
   22,105.52x = 386,644,609.82
5. Step 5: Solve for x
   x = 386,644,609.82/22,105.52
6. Step 6: Final answer
   x = 17,490.86