Finding the Fourth Proportional to 2,637.45, 3,957.27 and 1,404.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.45 : 3,957.27 = 1,404.53 : x
2. Step 2: Convert to fraction form
   2,637.45/3,957.27 = 1,404.53/x
3. Step 3: Cross multiply
   2,637.45x = 3,957.27 × 1,404.53
4. Step 4: Simplify right side
   2,637.45x = 5,558,104.43
5. Step 5: Solve for x
   x = 5,558,104.43/2,637.45
6. Step 6: Final answer
   x = 2,107.38