Finding the Fourth Proportional to 22,367.25, 30,866.87 and 12,807.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,367.25 : 30,866.87 = 12,807.29 : x
2. Step 2: Convert to fraction form
   22,367.25/30,866.87 = 12,807.29/x
3. Step 3: Cross multiply
   22,367.25x = 30,866.87 × 12,807.29
4. Step 4: Simplify right side
   22,367.25x = 395,320,801.15
5. Step 5: Solve for x
   x = 395,320,801.15/22,367.25
6. Step 6: Final answer
   x = 17,674.09