Finding the Fourth Proportional to 16,215.33, 24,321.72 and 5,122.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,215.33 : 24,321.72 = 5,122.35 : x
2. Step 2: Convert to fraction form
   16,215.33/24,321.72 = 5,122.35/x
3. Step 3: Cross multiply
   16,215.33x = 24,321.72 × 5,122.35
4. Step 4: Simplify right side
   16,215.33x = 124,584,362.44
5. Step 5: Solve for x
   x = 124,584,362.44/16,215.33
6. Step 6: Final answer
   x = 7,683.12