Finding the Fourth Proportional to 22,315.50, 30,795.39 and 12,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,315.50 : 30,795.39 = 12,379.50 : x
2. Step 2: Convert to fraction form
   22,315.50/30,795.39 = 12,379.50/x
3. Step 3: Cross multiply
   22,315.50x = 30,795.39 × 12,379.50
4. Step 4: Simplify right side
   22,315.50x = 381,231,530.51
5. Step 5: Solve for x
   x = 381,231,530.51/22,315.50
6. Step 6: Final answer
   x = 17,083.71