Finding the Fourth Proportional to 55,169.34, 82,680.21 and 20,075.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,169.34 : 82,680.21 = 20,075.82 : x
2. Step 2: Convert to fraction form
   55,169.34/82,680.21 = 20,075.82/x
3. Step 3: Cross multiply
   55,169.34x = 82,680.21 × 20,075.82
4. Step 4: Simplify right side
   55,169.34x = 1,659,873,013.52
5. Step 5: Solve for x
   x = 1,659,873,013.52/55,169.34
6. Step 6: Final answer
   x = 30,086.87