Finding the Fourth Proportional to 8,144.34, 12,216.78 and 2,300.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.34 : 12,216.78 = 2,300.91 : x
2. Step 2: Convert to fraction form
   8,144.34/12,216.78 = 2,300.91/x
3. Step 3: Cross multiply
   8,144.34x = 12,216.78 × 2,300.91
4. Step 4: Simplify right side
   8,144.34x = 28,109,711.27
5. Step 5: Solve for x
   x = 28,109,711.27/8,144.34
6. Step 6: Final answer
   x = 3,451.44