Finding the Fourth Proportional to 8,302.69, 12,455.25 and 2,458.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,302.69 : 12,455.25 = 2,458.54 : x
2. Step 2: Convert to fraction form
   8,302.69/12,455.25 = 2,458.54/x
3. Step 3: Cross multiply
   8,302.69x = 12,455.25 × 2,458.54
4. Step 4: Simplify right side
   8,302.69x = 30,621,730.34
5. Step 5: Solve for x
   x = 30,621,730.34/8,302.69
6. Step 6: Final answer
   x = 3,688.17