Finding the Fourth Proportional to 3,253.89, 4,882.59 and 2,158.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,253.89 : 4,882.59 = 2,158.77 : x
2. Step 2: Convert to fraction form
   3,253.89/4,882.59 = 2,158.77/x
3. Step 3: Cross multiply
   3,253.89x = 4,882.59 × 2,158.77
4. Step 4: Simplify right side
   3,253.89x = 10,540,388.81
5. Step 5: Solve for x
   x = 10,540,388.81/3,253.89
6. Step 6: Final answer
   x = 3,239.32