Finding the Fourth Proportional to 1,085.10, 1,495.71 and 1,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.10 : 1,495.71 = 1,036.50 : x
2. Step 2: Convert to fraction form
   1,085.10/1,495.71 = 1,036.50/x
3. Step 3: Cross multiply
   1,085.10x = 1,495.71 × 1,036.50
4. Step 4: Simplify right side
   1,085.10x = 1,550,303.42
5. Step 5: Solve for x
   x = 1,550,303.42/1,085.10
6. Step 6: Final answer
   x = 1,428.72