Finding the Fourth Proportional to 7,009.96, 9,665.67 and 5,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,009.96 : 9,665.67 = 5,118.16 : x
2. Step 2: Convert to fraction form
   7,009.96/9,665.67 = 5,118.16/x
3. Step 3: Cross multiply
   7,009.96x = 9,665.67 × 5,118.16
4. Step 4: Simplify right side
   7,009.96x = 49,470,445.57
5. Step 5: Solve for x
   x = 49,470,445.57/7,009.96
6. Step 6: Final answer
   x = 7,057.17