Finding the Fourth Proportional to 2,601.56, 3,902.91 and 846.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.56 : 3,902.91 = 846.74 : x
2. Step 2: Convert to fraction form
   2,601.56/3,902.91 = 846.74/x
3. Step 3: Cross multiply
   2,601.56x = 3,902.91 × 846.74
4. Step 4: Simplify right side
   2,601.56x = 3,304,745.78
5. Step 5: Solve for x
   x = 3,304,745.78/2,601.56
6. Step 6: Final answer
   x = 1,270.30