Finding the Fourth Proportional to 2,029.53, 3,041.46 and 1,139.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,029.53 : 3,041.46 = 1,139.25 : x
2. Step 2: Convert to fraction form
   2,029.53/3,041.46 = 1,139.25/x
3. Step 3: Cross multiply
   2,029.53x = 3,041.46 × 1,139.25
4. Step 4: Simplify right side
   2,029.53x = 3,464,983.31
5. Step 5: Solve for x
   x = 3,464,983.31/2,029.53
6. Step 6: Final answer
   x = 1,707.28