Finding the Fourth Proportional to 2,637.02, 3,638.72 and 1,458.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.02 : 3,638.72 = 1,458.18 : x
2. Step 2: Convert to fraction form
   2,637.02/3,638.72 = 1,458.18/x
3. Step 3: Cross multiply
   2,637.02x = 3,638.72 × 1,458.18
4. Step 4: Simplify right side
   2,637.02x = 5,305,912.38
5. Step 5: Solve for x
   x = 5,305,912.38/2,637.02
6. Step 6: Final answer
   x = 2,012.08