Finding the Fourth Proportional to 10,621.82, 14,660.22 and 6,147.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,621.82 : 14,660.22 = 6,147.02 : x
2. Step 2: Convert to fraction form
   10,621.82/14,660.22 = 6,147.02/x
3. Step 3: Cross multiply
   10,621.82x = 14,660.22 × 6,147.02
4. Step 4: Simplify right side
   10,621.82x = 90,116,665.54
5. Step 5: Solve for x
   x = 90,116,665.54/10,621.82
6. Step 6: Final answer
   x = 8,484.11