Finding the Fourth Proportional to 3,350.72, 5,006.83 and 2,555.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,350.72 : 5,006.83 = 2,555.69 : x
2. Step 2: Convert to fraction form
   3,350.72/5,006.83 = 2,555.69/x
3. Step 3: Cross multiply
   3,350.72x = 5,006.83 × 2,555.69
4. Step 4: Simplify right side
   3,350.72x = 12,795,905.36
5. Step 5: Solve for x
   x = 12,795,905.36/3,350.72
6. Step 6: Final answer
   x = 3,818.85