Finding the Fourth Proportional to 12,042.83, 16,618.61 and 7,007.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,042.83 : 16,618.61 = 7,007.19 : x
2. Step 2: Convert to fraction form
   12,042.83/16,618.61 = 7,007.19/x
3. Step 3: Cross multiply
   12,042.83x = 16,618.61 × 7,007.19
4. Step 4: Simplify right side
   12,042.83x = 116,449,757.81
5. Step 5: Solve for x
   x = 116,449,757.81/12,042.83
6. Step 6: Final answer
   x = 9,669.63