Finding the Fourth Proportional to 1,450.81, 2,003.03 and 1,008.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,450.81 : 2,003.03 = 1,008.55 : x
2. Step 2: Convert to fraction form
   1,450.81/2,003.03 = 1,008.55/x
3. Step 3: Cross multiply
   1,450.81x = 2,003.03 × 1,008.55
4. Step 4: Simplify right side
   1,450.81x = 2,020,155.91
5. Step 5: Solve for x
   x = 2,020,155.91/1,450.81
6. Step 6: Final answer
   x = 1,392.43