Finding the Fourth Proportional to 12,308.34, 18,462.37 and 8,349.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.34 : 18,462.37 = 8,349.79 : x
2. Step 2: Convert to fraction form
   12,308.34/18,462.37 = 8,349.79/x
3. Step 3: Cross multiply
   12,308.34x = 18,462.37 × 8,349.79
4. Step 4: Simplify right side
   12,308.34x = 154,156,912.40
5. Step 5: Solve for x
   x = 154,156,912.40/12,308.34
6. Step 6: Final answer
   x = 12,524.59