Finding the Fourth Proportional to 80,556.72, 111,170.28 and 44,745

Step by Step Solution

1. Step 1: Write the proportion equation
   80,556.72 : 111,170.28 = 44,745 : x
2. Step 2: Convert to fraction form
   80,556.72/111,170.28 = 44,745/x
3. Step 3: Cross multiply
   80,556.72x = 111,170.28 × 44,745
4. Step 4: Simplify right side
   80,556.72x = 4,974,314,178.60
5. Step 5: Solve for x
   x = 4,974,314,178.60/80,556.72
6. Step 6: Final answer
   x = 61,749.21