Finding the Fourth Proportional to 2,599.46, 3,585.39 and 2,513.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.46 : 3,585.39 = 2,513.78 : x
2. Step 2: Convert to fraction form
   2,599.46/3,585.39 = 2,513.78/x
3. Step 3: Cross multiply
   2,599.46x = 3,585.39 × 2,513.78
4. Step 4: Simplify right side
   2,599.46x = 9,012,881.67
5. Step 5: Solve for x
   x = 9,012,881.67/2,599.46
6. Step 6: Final answer
   x = 3,467.21