Finding the Fourth Proportional to 7,086.82, 10,618.08 and 3,966.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.82 : 10,618.08 = 3,966.16 : x
2. Step 2: Convert to fraction form
   7,086.82/10,618.08 = 3,966.16/x
3. Step 3: Cross multiply
   7,086.82x = 10,618.08 × 3,966.16
4. Step 4: Simplify right side
   7,086.82x = 42,113,004.17
5. Step 5: Solve for x
   x = 42,113,004.17/7,086.82
6. Step 6: Final answer
   x = 5,942.44