Finding the Fourth Proportional to 6,653.89, 9,967.50 and 4,305.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,653.89 : 9,967.50 = 4,305.79 : x
2. Step 2: Convert to fraction form
   6,653.89/9,967.50 = 4,305.79/x
3. Step 3: Cross multiply
   6,653.89x = 9,967.50 × 4,305.79
4. Step 4: Simplify right side
   6,653.89x = 42,917,961.83
5. Step 5: Solve for x
   x = 42,917,961.83/6,653.89
6. Step 6: Final answer
   x = 6,450.06