Finding the Fourth Proportional to 12,055.82, 18,086.49 and 4,660.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.82 : 18,086.49 = 4,660.34 : x
2. Step 2: Convert to fraction form
   12,055.82/18,086.49 = 4,660.34/x
3. Step 3: Cross multiply
   12,055.82x = 18,086.49 × 4,660.34
4. Step 4: Simplify right side
   12,055.82x = 84,289,192.81
5. Step 5: Solve for x
   x = 84,289,192.81/12,055.82
6. Step 6: Final answer
   x = 6,991.58