Finding the Fourth Proportional to 2,080.51, 3,118.83 and 1,093.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.51 : 3,118.83 = 1,093.12 : x
2. Step 2: Convert to fraction form
   2,080.51/3,118.83 = 1,093.12/x
3. Step 3: Cross multiply
   2,080.51x = 3,118.83 × 1,093.12
4. Step 4: Simplify right side
   2,080.51x = 3,409,255.45
5. Step 5: Solve for x
   x = 3,409,255.45/2,080.51
6. Step 6: Final answer
   x = 1,638.66