Finding the Fourth Proportional to 8,055.33, 12,071.31 and 5,719.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.33 : 12,071.31 = 5,719.91 : x
2. Step 2: Convert to fraction form
   8,055.33/12,071.31 = 5,719.91/x
3. Step 3: Cross multiply
   8,055.33x = 12,071.31 × 5,719.91
4. Step 4: Simplify right side
   8,055.33x = 69,046,724.98
5. Step 5: Solve for x
   x = 69,046,724.98/8,055.33
6. Step 6: Final answer
   x = 8,571.56