Finding the Fourth Proportional to 2,004.54, 3,004.29 and 1,139.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.54 : 3,004.29 = 1,139.34 : x
2. Step 2: Convert to fraction form
   2,004.54/3,004.29 = 1,139.34/x
3. Step 3: Cross multiply
   2,004.54x = 3,004.29 × 1,139.34
4. Step 4: Simplify right side
   2,004.54x = 3,422,907.77
5. Step 5: Solve for x
   x = 3,422,907.77/2,004.54
6. Step 6: Final answer
   x = 1,707.58