Finding the Fourth Proportional to 5,928.89, 8,183.58 and 3,913.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,928.89 : 8,183.58 = 3,913.78 : x
2. Step 2: Convert to fraction form
   5,928.89/8,183.58 = 3,913.78/x
3. Step 3: Cross multiply
   5,928.89x = 8,183.58 × 3,913.78
4. Step 4: Simplify right side
   5,928.89x = 32,028,696.60
5. Step 5: Solve for x
   x = 32,028,696.60/5,928.89
6. Step 6: Final answer
   x = 5,402.14