Finding the Fourth Proportional to 111,947.44, 167,986.76 and 80,323.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,947.44 : 167,986.76 = 80,323.42 : x
2. Step 2: Convert to fraction form
   111,947.44/167,986.76 = 80,323.42/x
3. Step 3: Cross multiply
   111,947.44x = 167,986.76 × 80,323.42
4. Step 4: Simplify right side
   111,947.44x = 13,493,271,077.92
5. Step 5: Solve for x
   x = 13,493,271,077.92/111,947.44
6. Step 6: Final answer
   x = 120,532.20