Finding the Fourth Proportional to 1,085.59, 1,495.63 and 802.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.59 : 1,495.63 = 802.09 : x
2. Step 2: Convert to fraction form
   1,085.59/1,495.63 = 802.09/x
3. Step 3: Cross multiply
   1,085.59x = 1,495.63 × 802.09
4. Step 4: Simplify right side
   1,085.59x = 1,199,629.87
5. Step 5: Solve for x
   x = 1,199,629.87/1,085.59
6. Step 6: Final answer
   x = 1,105.05