Finding the Fourth Proportional to 14,469.78, 21,703.52 and 5,704.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,469.78 : 21,703.52 = 5,704.76 : x
2. Step 2: Convert to fraction form
   14,469.78/21,703.52 = 5,704.76/x
3. Step 3: Cross multiply
   14,469.78x = 21,703.52 × 5,704.76
4. Step 4: Simplify right side
   14,469.78x = 123,813,372.76
5. Step 5: Solve for x
   x = 123,813,372.76/14,469.78
6. Step 6: Final answer
   x = 8,556.69