Finding the Fourth Proportional to 111,823.20, 167,443.20 and 88,300.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,823.20 : 167,443.20 = 88,300.80 : x
2. Step 2: Convert to fraction form
   111,823.20/167,443.20 = 88,300.80/x
3. Step 3: Cross multiply
   111,823.20x = 167,443.20 × 88,300.80
4. Step 4: Simplify right side
   111,823.20x = 14,785,368,514.56
5. Step 5: Solve for x
   x = 14,785,368,514.56/111,823.20
6. Step 6: Final answer
   x = 132,220.94