Finding the Fourth Proportional to 2,637.42, 3,639.68 and 1,458.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.42 : 3,639.68 = 1,458.46 : x
2. Step 2: Convert to fraction form
   2,637.42/3,639.68 = 1,458.46/x
3. Step 3: Cross multiply
   2,637.42x = 3,639.68 × 1,458.46
4. Step 4: Simplify right side
   2,637.42x = 5,308,327.69
5. Step 5: Solve for x
   x = 5,308,327.69/2,637.42
6. Step 6: Final answer
   x = 2,012.70