Finding the Fourth Proportional to 2,603.07, 3,904.59 and 1,304.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.07 : 3,904.59 = 1,304.52 : x
2. Step 2: Convert to fraction form
   2,603.07/3,904.59 = 1,304.52/x
3. Step 3: Cross multiply
   2,603.07x = 3,904.59 × 1,304.52
4. Step 4: Simplify right side
   2,603.07x = 5,093,615.75
5. Step 5: Solve for x
   x = 5,093,615.75/2,603.07
6. Step 6: Final answer
   x = 1,956.77