Finding the Fourth Proportional to 3,884.32, 5,360.79 and 2,391.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884.32 : 5,360.79 = 2,391.94 : x
2. Step 2: Convert to fraction form
   3,884.32/5,360.79 = 2,391.94/x
3. Step 3: Cross multiply
   3,884.32x = 5,360.79 × 2,391.94
4. Step 4: Simplify right side
   3,884.32x = 12,822,688.03
5. Step 5: Solve for x
   x = 12,822,688.03/3,884.32
6. Step 6: Final answer
   x = 3,301.14