Finding the Fourth Proportional to 4,714.86, 6,504.78 and 3,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,714.86 : 6,504.78 = 3,300.78 : x
2. Step 2: Convert to fraction form
   4,714.86/6,504.78 = 3,300.78/x
3. Step 3: Cross multiply
   4,714.86x = 6,504.78 × 3,300.78
4. Step 4: Simplify right side
   4,714.86x = 21,470,847.73
5. Step 5: Solve for x
   x = 21,470,847.73/4,714.86
6. Step 6: Final answer
   x = 4,553.87