Finding the Fourth Proportional to 12,030.22, 18,048.06 and 5,458.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,030.22 : 18,048.06 = 5,458.29 : x
2. Step 2: Convert to fraction form
   12,030.22/18,048.06 = 5,458.29/x
3. Step 3: Cross multiply
   12,030.22x = 18,048.06 × 5,458.29
4. Step 4: Simplify right side
   12,030.22x = 98,511,545.42
5. Step 5: Solve for x
   x = 98,511,545.42/12,030.22
6. Step 6: Final answer
   x = 8,188.67