Finding the Fourth Proportional to 8,499.96, 11,730.69 and 4,964.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.96 : 11,730.69 = 4,964.31 : x
2. Step 2: Convert to fraction form
   8,499.96/11,730.69 = 4,964.31/x
3. Step 3: Cross multiply
   8,499.96x = 11,730.69 × 4,964.31
4. Step 4: Simplify right side
   8,499.96x = 58,234,756.85
5. Step 5: Solve for x
   x = 58,234,756.85/8,499.96
6. Step 6: Final answer
   x = 6,851.18