Finding the Fourth Proportional to 22,308.69, 33,452.35 and 12,951.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.69 : 33,452.35 = 12,951.29 : x
2. Step 2: Convert to fraction form
   22,308.69/33,452.35 = 12,951.29/x
3. Step 3: Cross multiply
   22,308.69x = 33,452.35 × 12,951.29
4. Step 4: Simplify right side
   22,308.69x = 433,251,002.40
5. Step 5: Solve for x
   x = 433,251,002.40/22,308.69
6. Step 6: Final answer
   x = 19,420.73