Finding the Fourth Proportional to 6,606.38, 9,906.69 and 2,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,606.38 : 9,906.69 = 2,499.50 : x
2. Step 2: Convert to fraction form
   6,606.38/9,906.69 = 2,499.50/x
3. Step 3: Cross multiply
   6,606.38x = 9,906.69 × 2,499.50
4. Step 4: Simplify right side
   6,606.38x = 24,761,771.66
5. Step 5: Solve for x
   x = 24,761,771.66/6,606.38
6. Step 6: Final answer
   x = 3,748.16