Finding the Fourth Proportional to 2,637.57, 3,639.86 and 1,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.57 : 3,639.86 = 1,458.72 : x
2. Step 2: Convert to fraction form
   2,637.57/3,639.86 = 1,458.72/x
3. Step 3: Cross multiply
   2,637.57x = 3,639.86 × 1,458.72
4. Step 4: Simplify right side
   2,637.57x = 5,309,529.29
5. Step 5: Solve for x
   x = 5,309,529.29/2,637.57
6. Step 6: Final answer
   x = 2,013.04