Finding the Fourth Proportional to 12,179.46, 18,162.25 and 12,068.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,179.46 : 18,162.25 = 12,068.58 : x
2. Step 2: Convert to fraction form
   12,179.46/18,162.25 = 12,068.58/x
3. Step 3: Cross multiply
   12,179.46x = 18,162.25 × 12,068.58
4. Step 4: Simplify right side
   12,179.46x = 219,192,506.76
5. Step 5: Solve for x
   x = 219,192,506.76/12,179.46
6. Step 6: Final answer
   x = 17,996.90