Finding the Fourth Proportional to 3,637.31, 5,019.26 and 2,144.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,637.31 : 5,019.26 = 2,144.89 : x
2. Step 2: Convert to fraction form
   3,637.31/5,019.26 = 2,144.89/x
3. Step 3: Cross multiply
   3,637.31x = 5,019.26 × 2,144.89
4. Step 4: Simplify right side
   3,637.31x = 10,765,737.31
5. Step 5: Solve for x
   x = 10,765,737.31/3,637.31
6. Step 6: Final answer
   x = 2,959.81