Finding the Fourth Proportional to 3,892.29, 5,370.48 and 2,400.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.29 : 5,370.48 = 2,400.27 : x
2. Step 2: Convert to fraction form
   3,892.29/5,370.48 = 2,400.27/x
3. Step 3: Cross multiply
   3,892.29x = 5,370.48 × 2,400.27
4. Step 4: Simplify right side
   3,892.29x = 12,890,602.03
5. Step 5: Solve for x
   x = 12,890,602.03/3,892.29
6. Step 6: Final answer
   x = 3,311.83