Finding the Fourth Proportional to 8,719.25, 12,036.24 and 5,890.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,719.25 : 12,036.24 = 5,890.46 : x
2. Step 2: Convert to fraction form
   8,719.25/12,036.24 = 5,890.46/x
3. Step 3: Cross multiply
   8,719.25x = 12,036.24 × 5,890.46
4. Step 4: Simplify right side
   8,719.25x = 70,898,930.09
5. Step 5: Solve for x
   x = 70,898,930.09/8,719.25
6. Step 6: Final answer
   x = 8,131.32