Finding the Fourth Proportional to 8,144.61, 12,215.85 and 3,463.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144.61 : 12,215.85 = 3,463.76 : x
2. Step 2: Convert to fraction form
   8,144.61/12,215.85 = 3,463.76/x
3. Step 3: Cross multiply
   8,144.61x = 12,215.85 × 3,463.76
4. Step 4: Simplify right side
   8,144.61x = 42,312,711.52
5. Step 5: Solve for x
   x = 42,312,711.52/8,144.61
6. Step 6: Final answer
   x = 5,195.18