Finding the Fourth Proportional to 12,727.31, 19,083.29 and 5,706.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,727.31 : 19,083.29 = 5,706.05 : x
2. Step 2: Convert to fraction form
   12,727.31/19,083.29 = 5,706.05/x
3. Step 3: Cross multiply
   12,727.31x = 19,083.29 × 5,706.05
4. Step 4: Simplify right side
   12,727.31x = 108,890,154.52
5. Step 5: Solve for x
   x = 108,890,154.52/12,727.31
6. Step 6: Final answer
   x = 8,555.63