Finding the Fourth Proportional to 12,062.30, 18,055.05 and 8,606.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,062.30 : 18,055.05 = 8,606.30 : x
2. Step 2: Convert to fraction form
   12,062.30/18,055.05 = 8,606.30/x
3. Step 3: Cross multiply
   12,062.30x = 18,055.05 × 8,606.30
4. Step 4: Simplify right side
   12,062.30x = 155,387,176.82
5. Step 5: Solve for x
   x = 155,387,176.82/12,062.30
6. Step 6: Final answer
   x = 12,882.05