Finding the Fourth Proportional to 12,042.59, 16,622.61 and 8,458.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.59 : 16,622.61 = 8,458.41 : x
2. Step 2: Convert to fraction form
   12,042.59/16,622.61 = 8,458.41/x
3. Step 3: Cross multiply
   12,042.59x = 16,622.61 × 8,458.41
4. Step 4: Simplify right side
   12,042.59x = 140,600,850.65
5. Step 5: Solve for x
   x = 140,600,850.65/12,042.59
6. Step 6: Final answer
   x = 11,675.30