Finding the Fourth Proportional to 2,080.04, 2,870.22 and 1,148.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.04 : 2,870.22 = 1,148.54 : x
2. Step 2: Convert to fraction form
   2,080.04/2,870.22 = 1,148.54/x
3. Step 3: Cross multiply
   2,080.04x = 2,870.22 × 1,148.54
4. Step 4: Simplify right side
   2,080.04x = 3,296,562.48
5. Step 5: Solve for x
   x = 3,296,562.48/2,080.04
6. Step 6: Final answer
   x = 1,584.86