Finding the Fourth Proportional to 2,160.37, 3,234.33 and 1,637.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.37 : 3,234.33 = 1,637.31 : x
2. Step 2: Convert to fraction form
   2,160.37/3,234.33 = 1,637.31/x
3. Step 3: Cross multiply
   2,160.37x = 3,234.33 × 1,637.31
4. Step 4: Simplify right side
   2,160.37x = 5,295,612.98
5. Step 5: Solve for x
   x = 5,295,612.98/2,160.37
6. Step 6: Final answer
   x = 2,451.25