Finding the Fourth Proportional to 3,895.54, 5,375.81 and 2,402.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.54 : 5,375.81 = 2,402.86 : x
2. Step 2: Convert to fraction form
   3,895.54/5,375.81 = 2,402.86/x
3. Step 3: Cross multiply
   3,895.54x = 5,375.81 × 2,402.86
4. Step 4: Simplify right side
   3,895.54x = 12,917,318.82
5. Step 5: Solve for x
   x = 12,917,318.82/3,895.54
6. Step 6: Final answer
   x = 3,315.93