Finding the Fourth Proportional to 1,450.68, 2,002.17 and 1,078.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,450.68 : 2,002.17 = 1,078.08 : x
2. Step 2: Convert to fraction form
   1,450.68/2,002.17 = 1,078.08/x
3. Step 3: Cross multiply
   1,450.68x = 2,002.17 × 1,078.08
4. Step 4: Simplify right side
   1,450.68x = 2,158,499.43
5. Step 5: Solve for x
   x = 2,158,499.43/1,450.68
6. Step 6: Final answer
   x = 1,487.92