Finding the Fourth Proportional to 2,555.94, 3,835.82 and 1,899.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.94 : 3,835.82 = 1,899.33 : x
2. Step 2: Convert to fraction form
   2,555.94/3,835.82 = 1,899.33/x
3. Step 3: Cross multiply
   2,555.94x = 3,835.82 × 1,899.33
4. Step 4: Simplify right side
   2,555.94x = 7,285,488.00
5. Step 5: Solve for x
   x = 7,285,488.00/2,555.94
6. Step 6: Final answer
   x = 2,850.41