Finding the Fourth Proportional to 12,308.72, 18,447.72 and 6,154.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.72 : 18,447.72 = 6,154.48 : x
2. Step 2: Convert to fraction form
   12,308.72/18,447.72 = 6,154.48/x
3. Step 3: Cross multiply
   12,308.72x = 18,447.72 × 6,154.48
4. Step 4: Simplify right side
   12,308.72x = 113,536,123.79
5. Step 5: Solve for x
   x = 113,536,123.79/12,308.72
6. Step 6: Final answer
   x = 9,224.04