Finding the Fourth Proportional to 6,766.64, 10,128.72 and 4,304.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,766.64 : 10,128.72 = 4,304.24 : x
2. Step 2: Convert to fraction form
   6,766.64/10,128.72 = 4,304.24/x
3. Step 3: Cross multiply
   6,766.64x = 10,128.72 × 4,304.24
4. Step 4: Simplify right side
   6,766.64x = 43,596,441.77
5. Step 5: Solve for x
   x = 43,596,441.77/6,766.64
6. Step 6: Final answer
   x = 6,442.85