Finding the Fourth Proportional to 16,638.42, 24,957.34 and 4,158.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,638.42 : 24,957.34 = 4,158.52 : x
2. Step 2: Convert to fraction form
   16,638.42/24,957.34 = 4,158.52/x
3. Step 3: Cross multiply
   16,638.42x = 24,957.34 × 4,158.52
4. Step 4: Simplify right side
   16,638.42x = 103,785,597.54
5. Step 5: Solve for x
   x = 103,785,597.54/16,638.42
6. Step 6: Final answer
   x = 6,237.71