Finding the Fourth Proportional to 2,672.40, 3,687.90 and 1,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.40 : 3,687.90 = 1,493.48 : x
2. Step 2: Convert to fraction form
   2,672.40/3,687.90 = 1,493.48/x
3. Step 3: Cross multiply
   2,672.40x = 3,687.90 × 1,493.48
4. Step 4: Simplify right side
   2,672.40x = 5,507,804.89
5. Step 5: Solve for x
   x = 5,507,804.89/2,672.40
6. Step 6: Final answer
   x = 2,061.00