Finding the Fourth Proportional to 8,165.29, 12,245.98 and 3,778.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,165.29 : 12,245.98 = 3,778.53 : x
2. Step 2: Convert to fraction form
   8,165.29/12,245.98 = 3,778.53/x
3. Step 3: Cross multiply
   8,165.29x = 12,245.98 × 3,778.53
4. Step 4: Simplify right side
   8,165.29x = 46,271,802.81
5. Step 5: Solve for x
   x = 46,271,802.81/8,165.29
6. Step 6: Final answer
   x = 5,666.89