Finding the Fourth Proportional to 2,637.38, 3,639.74 and 1,458.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.38 : 3,639.74 = 1,458.42 : x
2. Step 2: Convert to fraction form
   2,637.38/3,639.74 = 1,458.42/x
3. Step 3: Cross multiply
   2,637.38x = 3,639.74 × 1,458.42
4. Step 4: Simplify right side
   2,637.38x = 5,308,262.32
5. Step 5: Solve for x
   x = 5,308,262.32/2,637.38
6. Step 6: Final answer
   x = 2,012.71