Finding the Fourth Proportional to 22,505.98, 31,078.26 and 14,022.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,505.98 : 31,078.26 = 14,022.70 : x
2. Step 2: Convert to fraction form
   22,505.98/31,078.26 = 14,022.70/x
3. Step 3: Cross multiply
   22,505.98x = 31,078.26 × 14,022.70
4. Step 4: Simplify right side
   22,505.98x = 435,801,116.50
5. Step 5: Solve for x
   x = 435,801,116.50/22,505.98
6. Step 6: Final answer
   x = 19,363.79