Finding the Fourth Proportional to 143,233.89, 197,667.93 and 82,823.49

Step by Step Solution

1. Step 1: Write the proportion equation
   143,233.89 : 197,667.93 = 82,823.49 : x
2. Step 2: Convert to fraction form
   143,233.89/197,667.93 = 82,823.49/x
3. Step 3: Cross multiply
   143,233.89x = 197,667.93 × 82,823.49
4. Step 4: Simplify right side
   143,233.89x = 16,371,547,823.68
5. Step 5: Solve for x
   x = 16,371,547,823.68/143,233.89
6. Step 6: Final answer
   x = 114,299.40