Finding the Fourth Proportional to 1,481.01, 2,043.73 and 817.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,481.01 : 2,043.73 = 817.81 : x
2. Step 2: Convert to fraction form
   1,481.01/2,043.73 = 817.81/x
3. Step 3: Cross multiply
   1,481.01x = 2,043.73 × 817.81
4. Step 4: Simplify right side
   1,481.01x = 1,671,382.83
5. Step 5: Solve for x
   x = 1,671,382.83/1,481.01
6. Step 6: Final answer
   x = 1,128.54