Finding the Fourth Proportional to 110,738.52, 152,766.02 and 72,481.23

Step by Step Solution

1. Step 1: Write the proportion equation
   110,738.52 : 152,766.02 = 72,481.23 : x
2. Step 2: Convert to fraction form
   110,738.52/152,766.02 = 72,481.23/x
3. Step 3: Cross multiply
   110,738.52x = 152,766.02 × 72,481.23
4. Step 4: Simplify right side
   110,738.52x = 11,072,668,669.40
5. Step 5: Solve for x
   x = 11,072,668,669.40/110,738.52
6. Step 6: Final answer
   x = 99,989.31