Finding the Fourth Proportional to 22,118.93, 30,470.50 and 16,443.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,118.93 : 30,470.50 = 16,443.87 : x
2. Step 2: Convert to fraction form
   22,118.93/30,470.50 = 16,443.87/x
3. Step 3: Cross multiply
   22,118.93x = 30,470.50 × 16,443.87
4. Step 4: Simplify right side
   22,118.93x = 501,052,940.84
5. Step 5: Solve for x
   x = 501,052,940.84/22,118.93
6. Step 6: Final answer
   x = 22,652.68