Finding the Fourth Proportional to 2,500.53, 3,450.72 and 1,381.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.53 : 3,450.72 = 1,381.47 : x
2. Step 2: Convert to fraction form
   2,500.53/3,450.72 = 1,381.47/x
3. Step 3: Cross multiply
   2,500.53x = 3,450.72 × 1,381.47
4. Step 4: Simplify right side
   2,500.53x = 4,767,066.16
5. Step 5: Solve for x
   x = 4,767,066.16/2,500.53
6. Step 6: Final answer
   x = 1,906.42