Finding the Fourth Proportional to 4,300.72, 6,453.24 and 3,207.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,300.72 : 6,453.24 = 3,207.28 : x
2. Step 2: Convert to fraction form
   4,300.72/6,453.24 = 3,207.28/x
3. Step 3: Cross multiply
   4,300.72x = 6,453.24 × 3,207.28
4. Step 4: Simplify right side
   4,300.72x = 20,697,347.59
5. Step 5: Solve for x
   x = 20,697,347.59/4,300.72
6. Step 6: Final answer
   x = 4,812.53