Finding the Fourth Proportional to 20,247.62, 30,365.49 and 7,097.54

Step by Step Solution

1. Step 1: Write the proportion equation
   20,247.62 : 30,365.49 = 7,097.54 : x
2. Step 2: Convert to fraction form
   20,247.62/30,365.49 = 7,097.54/x
3. Step 3: Cross multiply
   20,247.62x = 30,365.49 × 7,097.54
4. Step 4: Simplify right side
   20,247.62x = 215,520,279.89
5. Step 5: Solve for x
   x = 215,520,279.89/20,247.62
6. Step 6: Final answer
   x = 10,644.23