Finding the Fourth Proportional to 3,900.52, 5,839.24 and 2,509.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.52 : 5,839.24 = 2,509.75 : x
2. Step 2: Convert to fraction form
   3,900.52/5,839.24 = 2,509.75/x
3. Step 3: Cross multiply
   3,900.52x = 5,839.24 × 2,509.75
4. Step 4: Simplify right side
   3,900.52x = 14,655,003.39
5. Step 5: Solve for x
   x = 14,655,003.39/3,900.52
6. Step 6: Final answer
   x = 3,757.20