Finding the Fourth Proportional to 2,080.32, 2,871 and 1,148.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.32 : 2,871 = 1,148.88 : x
2. Step 2: Convert to fraction form
   2,080.32/2,871 = 1,148.88/x
3. Step 3: Cross multiply
   2,080.32x = 2,871 × 1,148.88
4. Step 4: Simplify right side
   2,080.32x = 3,298,434.48
5. Step 5: Solve for x
   x = 3,298,434.48/2,080.32
6. Step 6: Final answer
   x = 1,585.54