Finding the Fourth Proportional to 2,637.18, 3,639.27 and 1,458.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.18 : 3,639.27 = 1,458.27 : x
2. Step 2: Convert to fraction form
   2,637.18/3,639.27 = 1,458.27/x
3. Step 3: Cross multiply
   2,637.18x = 3,639.27 × 1,458.27
4. Step 4: Simplify right side
   2,637.18x = 5,307,038.26
5. Step 5: Solve for x
   x = 5,307,038.26/2,637.18
6. Step 6: Final answer
   x = 2,012.39