Finding the Fourth Proportional to 2,500.46, 3,450.42 and 1,381.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.46 : 3,450.42 = 1,381.40 : x
2. Step 2: Convert to fraction form
   2,500.46/3,450.42 = 1,381.40/x
3. Step 3: Cross multiply
   2,500.46x = 3,450.42 × 1,381.40
4. Step 4: Simplify right side
   2,500.46x = 4,766,410.19
5. Step 5: Solve for x
   x = 4,766,410.19/2,500.46
6. Step 6: Final answer
   x = 1,906.21