Finding the Fourth Proportional to 22,536.50, 31,101.81 and 12,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,536.50 : 31,101.81 = 12,600.50 : x
2. Step 2: Convert to fraction form
   22,536.50/31,101.81 = 12,600.50/x
3. Step 3: Cross multiply
   22,536.50x = 31,101.81 × 12,600.50
4. Step 4: Simplify right side
   22,536.50x = 391,898,356.91
5. Step 5: Solve for x
   x = 391,898,356.91/22,536.50
6. Step 6: Final answer
   x = 17,389.50