Finding the Fourth Proportional to 1,865.26, 2,796.96 and 1,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865.26 : 2,796.96 = 1,085.52 : x
2. Step 2: Convert to fraction form
   1,865.26/2,796.96 = 1,085.52/x
3. Step 3: Cross multiply
   1,865.26x = 2,796.96 × 1,085.52
4. Step 4: Simplify right side
   1,865.26x = 3,036,156.02
5. Step 5: Solve for x
   x = 3,036,156.02/1,865.26
6. Step 6: Final answer
   x = 1,627.74