Finding the Fourth Proportional to 16,507.72, 24,768.88 and 6,666.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507.72 : 24,768.88 = 6,666.24 : x
2. Step 2: Convert to fraction form
   16,507.72/24,768.88 = 6,666.24/x
3. Step 3: Cross multiply
   16,507.72x = 24,768.88 × 6,666.24
4. Step 4: Simplify right side
   16,507.72x = 165,115,298.61
5. Step 5: Solve for x
   x = 165,115,298.61/16,507.72
6. Step 6: Final answer
   x = 10,002.31