Finding the Fourth Proportional to 22,635.56, 31,236.59 and 12,563.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,635.56 : 31,236.59 = 12,563.39 : x
2. Step 2: Convert to fraction form
   22,635.56/31,236.59 = 12,563.39/x
3. Step 3: Cross multiply
   22,635.56x = 31,236.59 × 12,563.39
4. Step 4: Simplify right side
   22,635.56x = 392,437,501.27
5. Step 5: Solve for x
   x = 392,437,501.27/22,635.56
6. Step 6: Final answer
   x = 17,337.21