Finding the Fourth Proportional to 3,809.78, 5,259.39 and 2,395.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809.78 : 5,259.39 = 2,395.52 : x
2. Step 2: Convert to fraction form
   3,809.78/5,259.39 = 2,395.52/x
3. Step 3: Cross multiply
   3,809.78x = 5,259.39 × 2,395.52
4. Step 4: Simplify right side
   3,809.78x = 12,599,004.80
5. Step 5: Solve for x
   x = 12,599,004.80/3,809.78
6. Step 6: Final answer
   x = 3,307.01