Finding the Fourth Proportional to 8,274.81, 12,417.69 and 3,892.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,274.81 : 12,417.69 = 3,892.61 : x
2. Step 2: Convert to fraction form
   8,274.81/12,417.69 = 3,892.61/x
3. Step 3: Cross multiply
   8,274.81x = 12,417.69 × 3,892.61
4. Step 4: Simplify right side
   8,274.81x = 48,337,260.85
5. Step 5: Solve for x
   x = 48,337,260.85/8,274.81
6. Step 6: Final answer
   x = 5,841.49