Finding the Fourth Proportional to 22,563.50, 31,137.63 and 12,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,563.50 : 31,137.63 = 12,627.50 : x
2. Step 2: Convert to fraction form
   22,563.50/31,137.63 = 12,627.50/x
3. Step 3: Cross multiply
   22,563.50x = 31,137.63 × 12,627.50
4. Step 4: Simplify right side
   22,563.50x = 393,190,422.83
5. Step 5: Solve for x
   x = 393,190,422.83/22,563.50
6. Step 6: Final answer
   x = 17,425.95