Finding the Fourth Proportional to 2,009.51, 3,014.72 and 1,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.51 : 3,014.72 = 1,085.05 : x
2. Step 2: Convert to fraction form
   2,009.51/3,014.72 = 1,085.05/x
3. Step 3: Cross multiply
   2,009.51x = 3,014.72 × 1,085.05
4. Step 4: Simplify right side
   2,009.51x = 3,271,121.94
5. Step 5: Solve for x
   x = 3,271,121.94/2,009.51
6. Step 6: Final answer
   x = 1,627.82