Finding the Fourth Proportional to 2,759.04, 4,140.38 and 1,298.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,759.04 : 4,140.38 = 1,298.31 : x
2. Step 2: Convert to fraction form
   2,759.04/4,140.38 = 1,298.31/x
3. Step 3: Cross multiply
   2,759.04x = 4,140.38 × 1,298.31
4. Step 4: Simplify right side
   2,759.04x = 5,375,496.76
5. Step 5: Solve for x
   x = 5,375,496.76/2,759.04
6. Step 6: Final answer
   x = 1,948.32