Finding the Fourth Proportional to 20,383.82, 30,541.12 and 9,858.81

Step by Step Solution

1. Step 1: Write the proportion equation
   20,383.82 : 30,541.12 = 9,858.81 : x
2. Step 2: Convert to fraction form
   20,383.82/30,541.12 = 9,858.81/x
3. Step 3: Cross multiply
   20,383.82x = 30,541.12 × 9,858.81
4. Step 4: Simplify right side
   20,383.82x = 301,099,189.15
5. Step 5: Solve for x
   x = 301,099,189.15/20,383.82
6. Step 6: Final answer
   x = 14,771.48