Finding the Fourth Proportional to 82,452.75, 123,679.41 and 20,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,452.75 : 123,679.41 = 20,123.25 : x
2. Step 2: Convert to fraction form
   82,452.75/123,679.41 = 20,123.25/x
3. Step 3: Cross multiply
   82,452.75x = 123,679.41 × 20,123.25
4. Step 4: Simplify right side
   82,452.75x = 2,488,831,687.28
5. Step 5: Solve for x
   x = 2,488,831,687.28/82,452.75
6. Step 6: Final answer
   x = 30,184.94