Finding the Fourth Proportional to 2,080.49, 3,118.03 and 846.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.49 : 3,118.03 = 846.46 : x
2. Step 2: Convert to fraction form
   2,080.49/3,118.03 = 846.46/x
3. Step 3: Cross multiply
   2,080.49x = 3,118.03 × 846.46
4. Step 4: Simplify right side
   2,080.49x = 2,639,289.46
5. Step 5: Solve for x
   x = 2,639,289.46/2,080.49
6. Step 6: Final answer
   x = 1,268.59