Finding the Fourth Proportional to 2,502.88, 3,757.40 and 1,408.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.88 : 3,757.40 = 1,408.12 : x
2. Step 2: Convert to fraction form
   2,502.88/3,757.40 = 1,408.12/x
3. Step 3: Cross multiply
   2,502.88x = 3,757.40 × 1,408.12
4. Step 4: Simplify right side
   2,502.88x = 5,290,870.09
5. Step 5: Solve for x
   x = 5,290,870.09/2,502.88
6. Step 6: Final answer
   x = 2,113.91