Finding the Fourth Proportional to 8,243.34, 12,358.17 and 3,858.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243.34 : 12,358.17 = 3,858.54 : x
2. Step 2: Convert to fraction form
   8,243.34/12,358.17 = 3,858.54/x
3. Step 3: Cross multiply
   8,243.34x = 12,358.17 × 3,858.54
4. Step 4: Simplify right side
   8,243.34x = 47,684,493.27
5. Step 5: Solve for x
   x = 47,684,493.27/8,243.34
6. Step 6: Final answer
   x = 5,784.61