Finding the Fourth Proportional to 10,976.66, 16,466.25 and 3,185.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.66 : 16,466.25 = 3,185.18 : x
2. Step 2: Convert to fraction form
   10,976.66/16,466.25 = 3,185.18/x
3. Step 3: Cross multiply
   10,976.66x = 16,466.25 × 3,185.18
4. Step 4: Simplify right side
   10,976.66x = 52,447,970.18
5. Step 5: Solve for x
   x = 52,447,970.18/10,976.66
6. Step 6: Final answer
   x = 4,778.14