Finding the Fourth Proportional to 2,607.96, 3,906.90 and 1,450.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.96 : 3,906.90 = 1,450.20 : x
2. Step 2: Convert to fraction form
   2,607.96/3,906.90 = 1,450.20/x
3. Step 3: Cross multiply
   2,607.96x = 3,906.90 × 1,450.20
4. Step 4: Simplify right side
   2,607.96x = 5,665,786.38
5. Step 5: Solve for x
   x = 5,665,786.38/2,607.96
6. Step 6: Final answer
   x = 2,172.50