Finding the Fourth Proportional to 22,140.72, 30,550.50 and 14,181.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,140.72 : 30,550.50 = 14,181.30 : x
2. Step 2: Convert to fraction form
   22,140.72/30,550.50 = 14,181.30/x
3. Step 3: Cross multiply
   22,140.72x = 30,550.50 × 14,181.30
4. Step 4: Simplify right side
   22,140.72x = 433,245,805.65
5. Step 5: Solve for x
   x = 433,245,805.65/22,140.72
6. Step 6: Final answer
   x = 19,567.83