Finding the Fourth Proportional to 12,045.06, 18,022.23 and 8,354.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,045.06 : 18,022.23 = 8,354.43 : x
2. Step 2: Convert to fraction form
   12,045.06/18,022.23 = 8,354.43/x
3. Step 3: Cross multiply
   12,045.06x = 18,022.23 × 8,354.43
4. Step 4: Simplify right side
   12,045.06x = 150,565,458.98
5. Step 5: Solve for x
   x = 150,565,458.98/12,045.06
6. Step 6: Final answer
   x = 12,500.18