Finding the Fourth Proportional to 12,401.72, 18,600.94 and 4,609.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.72 : 18,600.94 = 4,609.48 : x
2. Step 2: Convert to fraction form
   12,401.72/18,600.94 = 4,609.48/x
3. Step 3: Cross multiply
   12,401.72x = 18,600.94 × 4,609.48
4. Step 4: Simplify right side
   12,401.72x = 85,740,660.91
5. Step 5: Solve for x
   x = 85,740,660.91/12,401.72
6. Step 6: Final answer
   x = 6,913.61