Finding the Fourth Proportional to 7,245.26, 10,923.76 and 7,200.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,245.26 : 10,923.76 = 7,200.28 : x
2. Step 2: Convert to fraction form
   7,245.26/10,923.76 = 7,200.28/x
3. Step 3: Cross multiply
   7,245.26x = 10,923.76 × 7,200.28
4. Step 4: Simplify right side
   7,245.26x = 78,654,085.34
5. Step 5: Solve for x
   x = 78,654,085.34/7,245.26
6. Step 6: Final answer
   x = 10,855.94