Finding the Fourth Proportional to 2,390.70, 3,297.96 and 1,550.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.70 : 3,297.96 = 1,550.37 : x
2. Step 2: Convert to fraction form
   2,390.70/3,297.96 = 1,550.37/x
3. Step 3: Cross multiply
   2,390.70x = 3,297.96 × 1,550.37
4. Step 4: Simplify right side
   2,390.70x = 5,113,058.25
5. Step 5: Solve for x
   x = 5,113,058.25/2,390.70
6. Step 6: Final answer
   x = 2,138.73