Finding the Fourth Proportional to 1,802.27, 2,701.59 and 863.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.27 : 2,701.59 = 863.58 : x
2. Step 2: Convert to fraction form
   1,802.27/2,701.59 = 863.58/x
3. Step 3: Cross multiply
   1,802.27x = 2,701.59 × 863.58
4. Step 4: Simplify right side
   1,802.27x = 2,333,039.09
5. Step 5: Solve for x
   x = 2,333,039.09/1,802.27
6. Step 6: Final answer
   x = 1,294.50