Finding the Fourth Proportional to 2,672.02, 3,687.39 and 1,553.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.02 : 3,687.39 = 1,553.01 : x
2. Step 2: Convert to fraction form
   2,672.02/3,687.39 = 1,553.01/x
3. Step 3: Cross multiply
   2,672.02x = 3,687.39 × 1,553.01
4. Step 4: Simplify right side
   2,672.02x = 5,726,553.54
5. Step 5: Solve for x
   x = 5,726,553.54/2,672.02
6. Step 6: Final answer
   x = 2,143.16