Finding the Fourth Proportional to 20,196.58, 30,308.71 and 7,048.95

Step by Step Solution

1. Step 1: Write the proportion equation
   20,196.58 : 30,308.71 = 7,048.95 : x
2. Step 2: Convert to fraction form
   20,196.58/30,308.71 = 7,048.95/x
3. Step 3: Cross multiply
   20,196.58x = 30,308.71 × 7,048.95
4. Step 4: Simplify right side
   20,196.58x = 213,644,581.35
5. Step 5: Solve for x
   x = 213,644,581.35/20,196.58
6. Step 6: Final answer
   x = 10,578.26