Finding the Fourth Proportional to 12,176.96, 18,158.52 and 12,066.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,176.96 : 18,158.52 = 12,066.08 : x
2. Step 2: Convert to fraction form
   12,176.96/18,158.52 = 12,066.08/x
3. Step 3: Cross multiply
   12,176.96x = 18,158.52 × 12,066.08
4. Step 4: Simplify right side
   12,176.96x = 219,102,155.00
5. Step 5: Solve for x
   x = 219,102,155.00/12,176.96
6. Step 6: Final answer
   x = 17,993.17