Finding the Fourth Proportional to 6,540.96, 9,017.28 and 4,674.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,540.96 : 9,017.28 = 4,674.72 : x
2. Step 2: Convert to fraction form
   6,540.96/9,017.28 = 4,674.72/x
3. Step 3: Cross multiply
   6,540.96x = 9,017.28 × 4,674.72
4. Step 4: Simplify right side
   6,540.96x = 42,153,259.16
5. Step 5: Solve for x
   x = 42,153,259.16/6,540.96
6. Step 6: Final answer
   x = 6,444.51