Finding the Fourth Proportional to 8,711.82, 12,023.13 and 5,356.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,711.82 : 12,023.13 = 5,356.83 : x
2. Step 2: Convert to fraction form
   8,711.82/12,023.13 = 5,356.83/x
3. Step 3: Cross multiply
   8,711.82x = 12,023.13 × 5,356.83
4. Step 4: Simplify right side
   8,711.82x = 64,405,928.65
5. Step 5: Solve for x
   x = 64,405,928.65/8,711.82
6. Step 6: Final answer
   x = 7,392.94