Finding the Fourth Proportional to 2,080.55, 3,118.10 and 846.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.55 : 3,118.10 = 846.51 : x
2. Step 2: Convert to fraction form
   2,080.55/3,118.10 = 846.51/x
3. Step 3: Cross multiply
   2,080.55x = 3,118.10 × 846.51
4. Step 4: Simplify right side
   2,080.55x = 2,639,502.83
5. Step 5: Solve for x
   x = 2,639,502.83/2,080.55
6. Step 6: Final answer
   x = 1,268.66