Finding the Fourth Proportional to 7,669.72, 11,493.78 and 3,499.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,669.72 : 11,493.78 = 3,499.48 : x
2. Step 2: Convert to fraction form
   7,669.72/11,493.78 = 3,499.48/x
3. Step 3: Cross multiply
   7,669.72x = 11,493.78 × 3,499.48
4. Step 4: Simplify right side
   7,669.72x = 40,222,253.23
5. Step 5: Solve for x
   x = 40,222,253.23/7,669.72
6. Step 6: Final answer
   x = 5,244.29