Finding the Fourth Proportional to 2,637.15, 3,954.42 and 1,404.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.15 : 3,954.42 = 1,404.23 : x
2. Step 2: Convert to fraction form
   2,637.15/3,954.42 = 1,404.23/x
3. Step 3: Cross multiply
   2,637.15x = 3,954.42 × 1,404.23
4. Step 4: Simplify right side
   2,637.15x = 5,552,895.42
5. Step 5: Solve for x
   x = 5,552,895.42/2,637.15
6. Step 6: Final answer
   x = 2,105.64