Finding the Fourth Proportional to 111,947.94, 167,987.52 and 80,323.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,947.94 : 167,987.52 = 80,323.92 : x
2. Step 2: Convert to fraction form
   111,947.94/167,987.52 = 80,323.92/x
3. Step 3: Cross multiply
   111,947.94x = 167,987.52 × 80,323.92
4. Step 4: Simplify right side
   111,947.94x = 13,493,416,117.48
5. Step 5: Solve for x
   x = 13,493,416,117.48/111,947.94
6. Step 6: Final answer
   x = 120,532.96