Finding the Fourth Proportional to 2,599.58, 3,865.97 and 2,517.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.58 : 3,865.97 = 2,517.56 : x
2. Step 2: Convert to fraction form
   2,599.58/3,865.97 = 2,517.56/x
3. Step 3: Cross multiply
   2,599.58x = 3,865.97 × 2,517.56
4. Step 4: Simplify right side
   2,599.58x = 9,732,811.43
5. Step 5: Solve for x
   x = 9,732,811.43/2,599.58
6. Step 6: Final answer
   x = 3,743.99