Finding the Fourth Proportional to 8,705.33, 13,057.97 and 3,158.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,705.33 : 13,057.97 = 3,158.67 : x
2. Step 2: Convert to fraction form
   8,705.33/13,057.97 = 3,158.67/x
3. Step 3: Cross multiply
   8,705.33x = 13,057.97 × 3,158.67
4. Step 4: Simplify right side
   8,705.33x = 41,245,826.00
5. Step 5: Solve for x
   x = 41,245,826.00/8,705.33
6. Step 6: Final answer
   x = 4,738.00