Finding the Fourth Proportional to 20,097.69, 30,147.98 and 5,306.46

Step by Step Solution

1. Step 1: Write the proportion equation
   20,097.69 : 30,147.98 = 5,306.46 : x
2. Step 2: Convert to fraction form
   20,097.69/30,147.98 = 5,306.46/x
3. Step 3: Cross multiply
   20,097.69x = 30,147.98 × 5,306.46
4. Step 4: Simplify right side
   20,097.69x = 159,979,023.42
5. Step 5: Solve for x
   x = 159,979,023.42/20,097.69
6. Step 6: Final answer
   x = 7,960.07