Finding the Fourth Proportional to 6,669.31, 10,009.57 and 3,336.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,669.31 : 10,009.57 = 3,336.55 : x
2. Step 2: Convert to fraction form
   6,669.31/10,009.57 = 3,336.55/x
3. Step 3: Cross multiply
   6,669.31x = 10,009.57 × 3,336.55
4. Step 4: Simplify right side
   6,669.31x = 33,397,430.78
5. Step 5: Solve for x
   x = 33,397,430.78/6,669.31
6. Step 6: Final answer
   x = 5,007.63