Finding the Fourth Proportional to 143,072.33, 214,819.17 and 80,016.00

Step by Step Solution

1. Step 1: Write the proportion equation
   143,072.33 : 214,819.17 = 80,016.00 : x
2. Step 2: Convert to fraction form
   143,072.33/214,819.17 = 80,016.00/x
3. Step 3: Cross multiply
   143,072.33x = 214,819.17 × 80,016.00
4. Step 4: Simplify right side
   143,072.33x = 17,188,969,232.54
5. Step 5: Solve for x
   x = 17,188,969,232.54/143,072.33
6. Step 6: Final answer
   x = 120,141.81