Finding the Fourth Proportional to 2,527.40, 3,488.40 and 1,408.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.40 : 3,488.40 = 1,408.72 : x
2. Step 2: Convert to fraction form
   2,527.40/3,488.40 = 1,408.72/x
3. Step 3: Cross multiply
   2,527.40x = 3,488.40 × 1,408.72
4. Step 4: Simplify right side
   2,527.40x = 4,914,178.85
5. Step 5: Solve for x
   x = 4,914,178.85/2,527.40
6. Step 6: Final answer
   x = 1,944.36