Finding the Fourth Proportional to 16,518.72, 24,769.56 and 6,655.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,518.72 : 24,769.56 = 6,655.34 : x
2. Step 2: Convert to fraction form
   16,518.72/24,769.56 = 6,655.34/x
3. Step 3: Cross multiply
   16,518.72x = 24,769.56 × 6,655.34
4. Step 4: Simplify right side
   16,518.72x = 164,849,843.45
5. Step 5: Solve for x
   x = 164,849,843.45/16,518.72
6. Step 6: Final answer
   x = 9,979.58