Finding the Fourth Proportional to 2,080.66, 3,118.83 and 1,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.66 : 3,118.83 = 1,052.50 : x
2. Step 2: Convert to fraction form
   2,080.66/3,118.83 = 1,052.50/x
3. Step 3: Cross multiply
   2,080.66x = 3,118.83 × 1,052.50
4. Step 4: Simplify right side
   2,080.66x = 3,282,568.58
5. Step 5: Solve for x
   x = 3,282,568.58/2,080.66
6. Step 6: Final answer
   x = 1,577.66