Finding the Fourth Proportional to 80,504.34, 111,018.78 and 51,794.70

Step by Step Solution

1. Step 1: Write the proportion equation
   80,504.34 : 111,018.78 = 51,794.70 : x
2. Step 2: Convert to fraction form
   80,504.34/111,018.78 = 51,794.70/x
3. Step 3: Cross multiply
   80,504.34x = 111,018.78 × 51,794.70
4. Step 4: Simplify right side
   80,504.34x = 5,750,184,404.47
5. Step 5: Solve for x
   x = 5,750,184,404.47/80,504.34
6. Step 6: Final answer
   x = 71,427.01