Finding the Fourth Proportional to 8,143.88, 12,216.34 and 2,300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,143.88 : 12,216.34 = 2,300.94 : x
2. Step 2: Convert to fraction form
   8,143.88/12,216.34 = 2,300.94/x
3. Step 3: Cross multiply
   8,143.88x = 12,216.34 × 2,300.94
4. Step 4: Simplify right side
   8,143.88x = 28,109,065.36
5. Step 5: Solve for x
   x = 28,109,065.36/8,143.88
6. Step 6: Final answer
   x = 3,451.56