Finding the Fourth Proportional to 22,351.86, 30,820.31 and 16,291.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,351.86 : 30,820.31 = 16,291.39 : x
2. Step 2: Convert to fraction form
   22,351.86/30,820.31 = 16,291.39/x
3. Step 3: Cross multiply
   22,351.86x = 30,820.31 × 16,291.39
4. Step 4: Simplify right side
   22,351.86x = 502,105,730.86
5. Step 5: Solve for x
   x = 502,105,730.86/22,351.86
6. Step 6: Final answer
   x = 22,463.72