Finding the Fourth Proportional to 110,270.88, 152,109.54 and 80,021

Step by Step Solution

1. Step 1: Write the proportion equation
   110,270.88 : 152,109.54 = 80,021 : x
2. Step 2: Convert to fraction form
   110,270.88/152,109.54 = 80,021/x
3. Step 3: Cross multiply
   110,270.88x = 152,109.54 × 80,021
4. Step 4: Simplify right side
   110,270.88x = 12,171,957,500.34
5. Step 5: Solve for x
   x = 12,171,957,500.34/110,270.88
6. Step 6: Final answer
   x = 110,382.34