Finding the Fourth Proportional to 1,480.03, 2,042.37 and 816.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.03 : 2,042.37 = 816.86 : x
2. Step 2: Convert to fraction form
   1,480.03/2,042.37 = 816.86/x
3. Step 3: Cross multiply
   1,480.03x = 2,042.37 × 816.86
4. Step 4: Simplify right side
   1,480.03x = 1,668,335.46
5. Step 5: Solve for x
   x = 1,668,335.46/1,480.03
6. Step 6: Final answer
   x = 1,127.23