Finding the Fourth Proportional to 22,358.96, 30,854.88 and 12,287.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,358.96 : 30,854.88 = 12,287.12 : x
2. Step 2: Convert to fraction form
   22,358.96/30,854.88 = 12,287.12/x
3. Step 3: Cross multiply
   22,358.96x = 30,854.88 × 12,287.12
4. Step 4: Simplify right side
   22,358.96x = 379,117,613.15
5. Step 5: Solve for x
   x = 379,117,613.15/22,358.96
6. Step 6: Final answer
   x = 16,955.96