Finding the Fourth Proportional to 1,480.59, 2,043.30 and 817.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.59 : 2,043.30 = 817.47 : x
2. Step 2: Convert to fraction form
   1,480.59/2,043.30 = 817.47/x
3. Step 3: Cross multiply
   1,480.59x = 2,043.30 × 817.47
4. Step 4: Simplify right side
   1,480.59x = 1,670,336.45
5. Step 5: Solve for x
   x = 1,670,336.45/1,480.59
6. Step 6: Final answer
   x = 1,128.16