Finding the Fourth Proportional to 2,595.88, 3,585.18 and 2,013.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,595.88 : 3,585.18 = 2,013.40 : x
2. Step 2: Convert to fraction form
   2,595.88/3,585.18 = 2,013.40/x
3. Step 3: Cross multiply
   2,595.88x = 3,585.18 × 2,013.40
4. Step 4: Simplify right side
   2,595.88x = 7,218,401.41
5. Step 5: Solve for x
   x = 7,218,401.41/2,595.88
6. Step 6: Final answer
   x = 2,780.71