Finding the Fourth Proportional to 20,196.72, 30,299.69 and 6,158.01

Step by Step Solution

1. Step 1: Write the proportion equation
   20,196.72 : 30,299.69 = 6,158.01 : x
2. Step 2: Convert to fraction form
   20,196.72/30,299.69 = 6,158.01/x
3. Step 3: Cross multiply
   20,196.72x = 30,299.69 × 6,158.01
4. Step 4: Simplify right side
   20,196.72x = 186,585,794.02
5. Step 5: Solve for x
   x = 186,585,794.02/20,196.72
6. Step 6: Final answer
   x = 9,238.42