Finding the Fourth Proportional to 2,527.98, 3,488.31 and 1,408.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.98 : 3,488.31 = 1,408.66 : x
2. Step 2: Convert to fraction form
   2,527.98/3,488.31 = 1,408.66/x
3. Step 3: Cross multiply
   2,527.98x = 3,488.31 × 1,408.66
4. Step 4: Simplify right side
   2,527.98x = 4,913,842.76
5. Step 5: Solve for x
   x = 4,913,842.76/2,527.98
6. Step 6: Final answer
   x = 1,943.78