Finding the Fourth Proportional to 6,995.34, 9,645.57 and 5,223.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,995.34 : 9,645.57 = 5,223.96 : x
2. Step 2: Convert to fraction form
   6,995.34/9,645.57 = 5,223.96/x
3. Step 3: Cross multiply
   6,995.34x = 9,645.57 × 5,223.96
4. Step 4: Simplify right side
   6,995.34x = 50,388,071.86
5. Step 5: Solve for x
   x = 50,388,071.86/6,995.34
6. Step 6: Final answer
   x = 7,203.09