Finding the Fourth Proportional to 111,823.96, 167,813.72 and 72,283

Step by Step Solution

1. Step 1: Write the proportion equation
   111,823.96 : 167,813.72 = 72,283 : x
2. Step 2: Convert to fraction form
   111,823.96/167,813.72 = 72,283/x
3. Step 3: Cross multiply
   111,823.96x = 167,813.72 × 72,283
4. Step 4: Simplify right side
   111,823.96x = 12,130,079,122.76
5. Step 5: Solve for x
   x = 12,130,079,122.76/111,823.96
6. Step 6: Final answer
   x = 108,474.78