Finding the Fourth Proportional to 4,746.63, 7,127.25 and 4,231.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,746.63 : 7,127.25 = 4,231.47 : x
2. Step 2: Convert to fraction form
   4,746.63/7,127.25 = 4,231.47/x
3. Step 3: Cross multiply
   4,746.63x = 7,127.25 × 4,231.47
4. Step 4: Simplify right side
   4,746.63x = 30,158,744.56
5. Step 5: Solve for x
   x = 30,158,744.56/4,746.63
6. Step 6: Final answer
   x = 6,353.72