Finding the Fourth Proportional to 12,039.73, 16,615.59 and 6,734.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.73 : 16,615.59 = 6,734.58 : x
2. Step 2: Convert to fraction form
   12,039.73/16,615.59 = 6,734.58/x
3. Step 3: Cross multiply
   12,039.73x = 16,615.59 × 6,734.58
4. Step 4: Simplify right side
   12,039.73x = 111,899,020.10
5. Step 5: Solve for x
   x = 111,899,020.10/12,039.73
6. Step 6: Final answer
   x = 9,294.15