Finding the Fourth Proportional to 20,443.98, 30,668.49 and 7,297.74

Step by Step Solution

1. Step 1: Write the proportion equation
   20,443.98 : 30,668.49 = 7,297.74 : x
2. Step 2: Convert to fraction form
   20,443.98/30,668.49 = 7,297.74/x
3. Step 3: Cross multiply
   20,443.98x = 30,668.49 × 7,297.74
4. Step 4: Simplify right side
   20,443.98x = 223,810,666.21
5. Step 5: Solve for x
   x = 223,810,666.21/20,443.98
6. Step 6: Final answer
   x = 10,947.51