Finding the Fourth Proportional to 8,118.30, 12,176.83 and 2,274.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,118.30 : 12,176.83 = 2,274.69 : x
2. Step 2: Convert to fraction form
   8,118.30/12,176.83 = 2,274.69/x
3. Step 3: Cross multiply
   8,118.30x = 12,176.83 × 2,274.69
4. Step 4: Simplify right side
   8,118.30x = 27,698,513.43
5. Step 5: Solve for x
   x = 27,698,513.43/8,118.30
6. Step 6: Final answer
   x = 3,411.86