Finding the Fourth Proportional to 2,527.35, 3,487.78 and 1,408.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.35 : 3,487.78 = 1,408.37 : x
2. Step 2: Convert to fraction form
   2,527.35/3,487.78 = 1,408.37/x
3. Step 3: Cross multiply
   2,527.35x = 3,487.78 × 1,408.37
4. Step 4: Simplify right side
   2,527.35x = 4,912,069.04
5. Step 5: Solve for x
   x = 4,912,069.04/2,527.35
6. Step 6: Final answer
   x = 1,943.57