Finding the Fourth Proportional to 12,042.30, 16,618.50 and 7,262.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.30 : 16,618.50 = 7,262.49 : x
2. Step 2: Convert to fraction form
   12,042.30/16,618.50 = 7,262.49/x
3. Step 3: Cross multiply
   12,042.30x = 16,618.50 × 7,262.49
4. Step 4: Simplify right side
   12,042.30x = 120,691,690.07
5. Step 5: Solve for x
   x = 120,691,690.07/12,042.30
6. Step 6: Final answer
   x = 10,022.31