Finding the Fourth Proportional to 22,048.74, 30,430.89 and 16,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,048.74 : 30,430.89 = 16,100.10 : x
2. Step 2: Convert to fraction form
   22,048.74/30,430.89 = 16,100.10/x
3. Step 3: Cross multiply
   22,048.74x = 30,430.89 × 16,100.10
4. Step 4: Simplify right side
   22,048.74x = 489,940,372.09
5. Step 5: Solve for x
   x = 489,940,372.09/22,048.74
6. Step 6: Final answer
   x = 22,220.79