Finding the Fourth Proportional to 2,637.89, 3,640.47 and 1,458.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.89 : 3,640.47 = 1,458.98 : x
2. Step 2: Convert to fraction form
   2,637.89/3,640.47 = 1,458.98/x
3. Step 3: Cross multiply
   2,637.89x = 3,640.47 × 1,458.98
4. Step 4: Simplify right side
   2,637.89x = 5,311,372.92
5. Step 5: Solve for x
   x = 5,311,372.92/2,637.89
6. Step 6: Final answer
   x = 2,013.49