Finding the Fourth Proportional to 3,892.95, 5,824.85 and 2,162.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.95 : 5,824.85 = 2,162.79 : x
2. Step 2: Convert to fraction form
   3,892.95/5,824.85 = 2,162.79/x
3. Step 3: Cross multiply
   3,892.95x = 5,824.85 × 2,162.79
4. Step 4: Simplify right side
   3,892.95x = 12,597,916.52
5. Step 5: Solve for x
   x = 12,597,916.52/3,892.95
6. Step 6: Final answer
   x = 3,236.08