Finding the Fourth Proportional to 2,559.19, 3,835.62 and 1,325.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.19 : 3,835.62 = 1,325.89 : x
2. Step 2: Convert to fraction form
   2,559.19/3,835.62 = 1,325.89/x
3. Step 3: Cross multiply
   2,559.19x = 3,835.62 × 1,325.89
4. Step 4: Simplify right side
   2,559.19x = 5,085,591.02
5. Step 5: Solve for x
   x = 5,085,591.02/2,559.19
6. Step 6: Final answer
   x = 1,987.19