Finding the Fourth Proportional to 143,094.09, 197,479.05 and 82,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   143,094.09 : 197,479.05 = 82,667.28 : x
2. Step 2: Convert to fraction form
   143,094.09/197,479.05 = 82,667.28/x
3. Step 3: Cross multiply
   143,094.09x = 197,479.05 × 82,667.28
4. Step 4: Simplify right side
   143,094.09x = 16,325,055,920.48
5. Step 5: Solve for x
   x = 16,325,055,920.48/143,094.09
6. Step 6: Final answer
   x = 114,086.16