Finding the Fourth Proportional to 5,496.30, 7,709.40 and 5,496.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,496.30 : 7,709.40 = 5,496.30 : x
2. Step 2: Convert to fraction form
   5,496.30/7,709.40 = 5,496.30/x
3. Step 3: Cross multiply
   5,496.30x = 7,709.40 × 5,496.30
4. Step 4: Simplify right side
   5,496.30x = 42,373,175.22
5. Step 5: Solve for x
   x = 42,373,175.22/5,496.30
6. Step 6: Final answer
   x = 7,709.40