Finding the Fourth Proportional to 22,422.01, 30,941.74 and 12,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,422.01 : 30,941.74 = 12,863.50 : x
2. Step 2: Convert to fraction form
   22,422.01/30,941.74 = 12,863.50/x
3. Step 3: Cross multiply
   22,422.01x = 30,941.74 × 12,863.50
4. Step 4: Simplify right side
   22,422.01x = 398,019,072.49
5. Step 5: Solve for x
   x = 398,019,072.49/22,422.01
6. Step 6: Final answer
   x = 17,751.27