Finding the Fourth Proportional to 6,719.76, 9,270.72 and 4,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,719.76 : 9,270.72 = 4,626.72 : x
2. Step 2: Convert to fraction form
   6,719.76/9,270.72 = 4,626.72/x
3. Step 3: Cross multiply
   6,719.76x = 9,270.72 × 4,626.72
4. Step 4: Simplify right side
   6,719.76x = 42,893,025.64
5. Step 5: Solve for x
   x = 42,893,025.64/6,719.76
6. Step 6: Final answer
   x = 6,383.12