Finding the Fourth Proportional to 2,559.09, 3,837.83 and 1,260.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.09 : 3,837.83 = 1,260.39 : x
2. Step 2: Convert to fraction form
   2,559.09/3,837.83 = 1,260.39/x
3. Step 3: Cross multiply
   2,559.09x = 3,837.83 × 1,260.39
4. Step 4: Simplify right side
   2,559.09x = 4,837,156.25
5. Step 5: Solve for x
   x = 4,837,156.25/2,559.09
6. Step 6: Final answer
   x = 1,890.19