Finding the Fourth Proportional to 2,395.48, 3,591.63 and 934.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,395.48 : 3,591.63 = 934.78 : x
2. Step 2: Convert to fraction form
   2,395.48/3,591.63 = 934.78/x
3. Step 3: Cross multiply
   2,395.48x = 3,591.63 × 934.78
4. Step 4: Simplify right side
   2,395.48x = 3,357,383.89
5. Step 5: Solve for x
   x = 3,357,383.89/2,395.48
6. Step 6: Final answer
   x = 1,401.55