Finding the Fourth Proportional to 14,631.72, 21,949.86 and 4,768.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,631.72 : 21,949.86 = 4,768.71 : x
2. Step 2: Convert to fraction form
   14,631.72/21,949.86 = 4,768.71/x
3. Step 3: Cross multiply
   14,631.72x = 21,949.86 × 4,768.71
4. Step 4: Simplify right side
   14,631.72x = 104,672,516.88
5. Step 5: Solve for x
   x = 104,672,516.88/14,631.72
6. Step 6: Final answer
   x = 7,153.81