Finding the Fourth Proportional to 2,079.94, 2,870.31 and 1,148.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.94 : 2,870.31 = 1,148.44 : x
2. Step 2: Convert to fraction form
   2,079.94/2,870.31 = 1,148.44/x
3. Step 3: Cross multiply
   2,079.94x = 2,870.31 × 1,148.44
4. Step 4: Simplify right side
   2,079.94x = 3,296,375.95
5. Step 5: Solve for x
   x = 3,296,375.95/2,079.94
6. Step 6: Final answer
   x = 1,584.84