Finding the Fourth Proportional to 80,621.33, 111,226.41 and 51,938.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,621.33 : 111,226.41 = 51,938.82 : x
2. Step 2: Convert to fraction form
   80,621.33/111,226.41 = 51,938.82/x
3. Step 3: Cross multiply
   80,621.33x = 111,226.41 × 51,938.82
4. Step 4: Simplify right side
   80,621.33x = 5,776,968,488.24
5. Step 5: Solve for x
   x = 5,776,968,488.24/80,621.33
6. Step 6: Final answer
   x = 71,655.59