Finding the Fourth Proportional to 12,743.29, 17,584.89 and 7,077.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,743.29 : 17,584.89 = 7,077.58 : x
2. Step 2: Convert to fraction form
   12,743.29/17,584.89 = 7,077.58/x
3. Step 3: Cross multiply
   12,743.29x = 17,584.89 × 7,077.58
4. Step 4: Simplify right side
   12,743.29x = 124,458,465.77
5. Step 5: Solve for x
   x = 124,458,465.77/12,743.29
6. Step 6: Final answer
   x = 9,766.59