Finding the Fourth Proportional to 2,393.85, 3,303.59 and 1,399.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.85 : 3,303.59 = 1,399.17 : x
2. Step 2: Convert to fraction form
   2,393.85/3,303.59 = 1,399.17/x
3. Step 3: Cross multiply
   2,393.85x = 3,303.59 × 1,399.17
4. Step 4: Simplify right side
   2,393.85x = 4,622,289.41
5. Step 5: Solve for x
   x = 4,622,289.41/2,393.85
6. Step 6: Final answer
   x = 1,930.90