Finding the Fourth Proportional to 5,854.45, 8,081.54 and 3,968.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,854.45 : 8,081.54 = 3,968.62 : x
2. Step 2: Convert to fraction form
   5,854.45/8,081.54 = 3,968.62/x
3. Step 3: Cross multiply
   5,854.45x = 8,081.54 × 3,968.62
4. Step 4: Simplify right side
   5,854.45x = 32,072,541.49
5. Step 5: Solve for x
   x = 32,072,541.49/5,854.45
6. Step 6: Final answer
   x = 5,478.32