Finding the Fourth Proportional to 2,603.76, 3,903.81 and 1,304.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.76 : 3,903.81 = 1,304.52 : x
2. Step 2: Convert to fraction form
   2,603.76/3,903.81 = 1,304.52/x
3. Step 3: Cross multiply
   2,603.76x = 3,903.81 × 1,304.52
4. Step 4: Simplify right side
   2,603.76x = 5,092,598.22
5. Step 5: Solve for x
   x = 5,092,598.22/2,603.76
6. Step 6: Final answer
   x = 1,955.86