Finding the Fourth Proportional to 2,891.97, 4,339.69 and 1,248.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.97 : 4,339.69 = 1,248.52 : x
2. Step 2: Convert to fraction form
   2,891.97/4,339.69 = 1,248.52/x
3. Step 3: Cross multiply
   2,891.97x = 4,339.69 × 1,248.52
4. Step 4: Simplify right side
   2,891.97x = 5,418,189.76
5. Step 5: Solve for x
   x = 5,418,189.76/2,891.97
6. Step 6: Final answer
   x = 1,873.53