Finding the Fourth Proportional to 6,148.72, 8,485.59 and 4,654.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,148.72 : 8,485.59 = 4,654.27 : x
2. Step 2: Convert to fraction form
   6,148.72/8,485.59 = 4,654.27/x
3. Step 3: Cross multiply
   6,148.72x = 8,485.59 × 4,654.27
4. Step 4: Simplify right side
   6,148.72x = 39,494,255.03
5. Step 5: Solve for x
   x = 39,494,255.03/6,148.72
6. Step 6: Final answer
   x = 6,423.17