Finding the Fourth Proportional to 12,614.98, 18,922.27 and 4,300.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,614.98 : 18,922.27 = 4,300.79 : x
2. Step 2: Convert to fraction form
   12,614.98/18,922.27 = 4,300.79/x
3. Step 3: Cross multiply
   12,614.98x = 18,922.27 × 4,300.79
4. Step 4: Simplify right side
   12,614.98x = 81,380,709.59
5. Step 5: Solve for x
   x = 81,380,709.59/12,614.98
6. Step 6: Final answer
   x = 6,451.12