Finding the Fourth Proportional to 9,168.50, 12,652.50 and 4,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.50 : 12,652.50 = 4,976.72 : x
2. Step 2: Convert to fraction form
   9,168.50/12,652.50 = 4,976.72/x
3. Step 3: Cross multiply
   9,168.50x = 12,652.50 × 4,976.72
4. Step 4: Simplify right side
   9,168.50x = 62,967,949.80
5. Step 5: Solve for x
   x = 62,967,949.80/9,168.50
6. Step 6: Final answer
   x = 6,867.86