Finding the Fourth Proportional to 13,729.52, 18,946.22 and 7,441.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,729.52 : 18,946.22 = 7,441.76 : x
2. Step 2: Convert to fraction form
   13,729.52/18,946.22 = 7,441.76/x
3. Step 3: Cross multiply
   13,729.52x = 18,946.22 × 7,441.76
4. Step 4: Simplify right side
   13,729.52x = 140,993,222.15
5. Step 5: Solve for x
   x = 140,993,222.15/13,729.52
6. Step 6: Final answer
   x = 10,269.35