Finding the Fourth Proportional to 2,637.40, 3,639.56 and 1,458.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.40 : 3,639.56 = 1,458.52 : x
2. Step 2: Convert to fraction form
   2,637.40/3,639.56 = 1,458.52/x
3. Step 3: Cross multiply
   2,637.40x = 3,639.56 × 1,458.52
4. Step 4: Simplify right side
   2,637.40x = 5,308,371.05
5. Step 5: Solve for x
   x = 5,308,371.05/2,637.40
6. Step 6: Final answer
   x = 2,012.73