Finding the Fourth Proportional to 55,166.24, 82,676.28 and 20,072.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,166.24 : 82,676.28 = 20,072.18 : x
2. Step 2: Convert to fraction form
   55,166.24/82,676.28 = 20,072.18/x
3. Step 3: Cross multiply
   55,166.24x = 82,676.28 × 20,072.18
4. Step 4: Simplify right side
   55,166.24x = 1,659,493,173.89
5. Step 5: Solve for x
   x = 1,659,493,173.89/55,166.24
6. Step 6: Final answer
   x = 30,081.68