Finding the Fourth Proportional to 3,253.23, 4,870.60 and 2,155.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,253.23 : 4,870.60 = 2,155.41 : x
2. Step 2: Convert to fraction form
   3,253.23/4,870.60 = 2,155.41/x
3. Step 3: Cross multiply
   3,253.23x = 4,870.60 × 2,155.41
4. Step 4: Simplify right side
   3,253.23x = 10,498,134.56
5. Step 5: Solve for x
   x = 10,498,134.56/3,253.23
6. Step 6: Final answer
   x = 3,226.99