Finding the Fourth Proportional to 12,103.72, 18,156.69 and 4,708.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.72 : 18,156.69 = 4,708.73 : x
2. Step 2: Convert to fraction form
   12,103.72/18,156.69 = 4,708.73/x
3. Step 3: Cross multiply
   12,103.72x = 18,156.69 × 4,708.73
4. Step 4: Simplify right side
   12,103.72x = 85,494,996.30
5. Step 5: Solve for x
   x = 85,494,996.30/12,103.72
6. Step 6: Final answer
   x = 7,063.53