Finding the Fourth Proportional to 22,607.50, 31,198.73 and 12,536.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607.50 : 31,198.73 = 12,536.36 : x
2. Step 2: Convert to fraction form
   22,607.50/31,198.73 = 12,536.36/x
3. Step 3: Cross multiply
   22,607.50x = 31,198.73 × 12,536.36
4. Step 4: Simplify right side
   22,607.50x = 391,118,510.82
5. Step 5: Solve for x
   x = 391,118,510.82/22,607.50
6. Step 6: Final answer
   x = 17,300.39