Finding the Fourth Proportional to 4,128.82, 5,698.83 and 2,555.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,128.82 : 5,698.83 = 2,555.98 : x
2. Step 2: Convert to fraction form
   4,128.82/5,698.83 = 2,555.98/x
3. Step 3: Cross multiply
   4,128.82x = 5,698.83 × 2,555.98
4. Step 4: Simplify right side
   4,128.82x = 14,566,095.50
5. Step 5: Solve for x
   x = 14,566,095.50/4,128.82
6. Step 6: Final answer
   x = 3,527.91