Finding the Fourth Proportional to 82,676.16, 124,014.72 and 20,346.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,676.16 : 124,014.72 = 20,346.24 : x
2. Step 2: Convert to fraction form
   82,676.16/124,014.72 = 20,346.24/x
3. Step 3: Cross multiply
   82,676.16x = 124,014.72 × 20,346.24
4. Step 4: Simplify right side
   82,676.16x = 2,523,233,256.65
5. Step 5: Solve for x
   x = 2,523,233,256.65/82,676.16
6. Step 6: Final answer
   x = 30,519.48