Finding the Fourth Proportional to 1,480.55, 2,042.93 and 817.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.55 : 2,042.93 = 817.43 : x
2. Step 2: Convert to fraction form
   1,480.55/2,042.93 = 817.43/x
3. Step 3: Cross multiply
   1,480.55x = 2,042.93 × 817.43
4. Step 4: Simplify right side
   1,480.55x = 1,669,944.10
5. Step 5: Solve for x
   x = 1,669,944.10/1,480.55
6. Step 6: Final answer
   x = 1,127.93