Finding the Fourth Proportional to 22,365.42, 30,862.72 and 12,293.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,365.42 : 30,862.72 = 12,293.61 : x
2. Step 2: Convert to fraction form
   22,365.42/30,862.72 = 12,293.61/x
3. Step 3: Cross multiply
   22,365.42x = 30,862.72 × 12,293.61
4. Step 4: Simplify right side
   22,365.42x = 379,414,243.22
5. Step 5: Solve for x
   x = 379,414,243.22/22,365.42
6. Step 6: Final answer
   x = 16,964.32