Finding the Fourth Proportional to 22,253.50, 30,709.83 and 12,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,253.50 : 30,709.83 = 12,317.50 : x
2. Step 2: Convert to fraction form
   22,253.50/30,709.83 = 12,317.50/x
3. Step 3: Cross multiply
   22,253.50x = 30,709.83 × 12,317.50
4. Step 4: Simplify right side
   22,253.50x = 378,268,331.03
5. Step 5: Solve for x
   x = 378,268,331.03/22,253.50
6. Step 6: Final answer
   x = 16,998.15