Finding the Fourth Proportional to 12,728.24, 19,084.69 and 5,706.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,728.24 : 19,084.69 = 5,706.98 : x
2. Step 2: Convert to fraction form
   12,728.24/19,084.69 = 5,706.98/x
3. Step 3: Cross multiply
   12,728.24x = 19,084.69 × 5,706.98
4. Step 4: Simplify right side
   12,728.24x = 108,915,977.58
5. Step 5: Solve for x
   x = 108,915,977.58/12,728.24
6. Step 6: Final answer
   x = 8,557.03