Finding the Fourth Proportional to 2,500.56, 3,450.51 and 1,381.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.56 : 3,450.51 = 1,381.31 : x
2. Step 2: Convert to fraction form
   2,500.56/3,450.51 = 1,381.31/x
3. Step 3: Cross multiply
   2,500.56x = 3,450.51 × 1,381.31
4. Step 4: Simplify right side
   2,500.56x = 4,766,206.72
5. Step 5: Solve for x
   x = 4,766,206.72/2,500.56
6. Step 6: Final answer
   x = 1,906.06