Finding the Fourth Proportional to 3,902.56, 5,853.68 and 2,151.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.56 : 5,853.68 = 2,151.04 : x
2. Step 2: Convert to fraction form
   3,902.56/5,853.68 = 2,151.04/x
3. Step 3: Cross multiply
   3,902.56x = 5,853.68 × 2,151.04
4. Step 4: Simplify right side
   3,902.56x = 12,591,499.83
5. Step 5: Solve for x
   x = 12,591,499.83/3,902.56
6. Step 6: Final answer
   x = 3,226.47