Finding the Fourth Proportional to 3,859.57, 5,323.84 and 2,459.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859.57 : 5,323.84 = 2,459.89 : x
2. Step 2: Convert to fraction form
   3,859.57/5,323.84 = 2,459.89/x
3. Step 3: Cross multiply
   3,859.57x = 5,323.84 × 2,459.89
4. Step 4: Simplify right side
   3,859.57x = 13,096,060.78
5. Step 5: Solve for x
   x = 13,096,060.78/3,859.57
6. Step 6: Final answer
   x = 3,393.14