Finding the Fourth Proportional to 7,662.09, 10,574.60 and 5,015.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,662.09 : 10,574.60 = 5,015.37 : x
2. Step 2: Convert to fraction form
   7,662.09/10,574.60 = 5,015.37/x
3. Step 3: Cross multiply
   7,662.09x = 10,574.60 × 5,015.37
4. Step 4: Simplify right side
   7,662.09x = 53,035,514.91
5. Step 5: Solve for x
   x = 53,035,514.91/7,662.09
6. Step 6: Final answer
   x = 6,921.80