Finding the Fourth Proportional to 2,388.83, 3,296.34 and 1,394.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.83 : 3,296.34 = 1,394.01 : x
2. Step 2: Convert to fraction form
   2,388.83/3,296.34 = 1,394.01/x
3. Step 3: Cross multiply
   2,388.83x = 3,296.34 × 1,394.01
4. Step 4: Simplify right side
   2,388.83x = 4,595,130.92
5. Step 5: Solve for x
   x = 4,595,130.92/2,388.83
6. Step 6: Final answer
   x = 1,923.59