Finding the Fourth Proportional to 2,500.62, 3,450.78 and 1,381.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.62 : 3,450.78 = 1,381.56 : x
2. Step 2: Convert to fraction form
   2,500.62/3,450.78 = 1,381.56/x
3. Step 3: Cross multiply
   2,500.62x = 3,450.78 × 1,381.56
4. Step 4: Simplify right side
   2,500.62x = 4,767,459.62
5. Step 5: Solve for x
   x = 4,767,459.62/2,500.62
6. Step 6: Final answer
   x = 1,906.51