Finding the Fourth Proportional to 4,300.27, 6,457.96 and 4,238.71

Step by Step Solution

1. Step 1: Write the proportion equation
   4,300.27 : 6,457.96 = 4,238.71 : x
2. Step 2: Convert to fraction form
   4,300.27/6,457.96 = 4,238.71/x
3. Step 3: Cross multiply
   4,300.27x = 6,457.96 × 4,238.71
4. Step 4: Simplify right side
   4,300.27x = 27,373,419.63
5. Step 5: Solve for x
   x = 27,373,419.63/4,300.27
6. Step 6: Final answer
   x = 6,365.51