Finding the Fourth Proportional to 2,399.70, 3,311.52 and 1,337.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.70 : 3,311.52 = 1,337.47 : x
2. Step 2: Convert to fraction form
   2,399.70/3,311.52 = 1,337.47/x
3. Step 3: Cross multiply
   2,399.70x = 3,311.52 × 1,337.47
4. Step 4: Simplify right side
   2,399.70x = 4,429,058.65
5. Step 5: Solve for x
   x = 4,429,058.65/2,399.70
6. Step 6: Final answer
   x = 1,845.67