Finding the Fourth Proportional to 8,113.44, 12,213.23 and 5,789.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.44 : 12,213.23 = 5,789.55 : x
2. Step 2: Convert to fraction form
   8,113.44/12,213.23 = 5,789.55/x
3. Step 3: Cross multiply
   8,113.44x = 12,213.23 × 5,789.55
4. Step 4: Simplify right side
   8,113.44x = 70,709,105.75
5. Step 5: Solve for x
   x = 70,709,105.75/8,113.44
6. Step 6: Final answer
   x = 8,715.06