Finding the Fourth Proportional to 2,500.55, 3,450.70 and 1,381.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.55 : 3,450.70 = 1,381.41 : x
2. Step 2: Convert to fraction form
   2,500.55/3,450.70 = 1,381.41/x
3. Step 3: Cross multiply
   2,500.55x = 3,450.70 × 1,381.41
4. Step 4: Simplify right side
   2,500.55x = 4,766,831.49
5. Step 5: Solve for x
   x = 4,766,831.49/2,500.55
6. Step 6: Final answer
   x = 1,906.31