Finding the Fourth Proportional to 16,221.02, 24,329.43 and 5,128.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.02 : 24,329.43 = 5,128.83 : x
2. Step 2: Convert to fraction form
   16,221.02/24,329.43 = 5,128.83/x
3. Step 3: Cross multiply
   16,221.02x = 24,329.43 × 5,128.83
4. Step 4: Simplify right side
   16,221.02x = 124,781,510.47
5. Step 5: Solve for x
   x = 124,781,510.47/16,221.02
6. Step 6: Final answer
   x = 7,692.58