Finding the Fourth Proportional to 16,525.98, 24,780.46 and 6,662.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,525.98 : 24,780.46 = 6,662.61 : x
2. Step 2: Convert to fraction form
   16,525.98/24,780.46 = 6,662.61/x
3. Step 3: Cross multiply
   16,525.98x = 24,780.46 × 6,662.61
4. Step 4: Simplify right side
   16,525.98x = 165,102,383.39
5. Step 5: Solve for x
   x = 165,102,383.39/16,525.98
6. Step 6: Final answer
   x = 9,990.48