Finding the Fourth Proportional to 143,211.67, 197,606.04 and 82,760.15

Step by Step Solution

1. Step 1: Write the proportion equation
   143,211.67 : 197,606.04 = 82,760.15 : x
2. Step 2: Convert to fraction form
   143,211.67/197,606.04 = 82,760.15/x
3. Step 3: Cross multiply
   143,211.67x = 197,606.04 × 82,760.15
4. Step 4: Simplify right side
   143,211.67x = 16,353,905,511.31
5. Step 5: Solve for x
   x = 16,353,905,511.31/143,211.67
6. Step 6: Final answer
   x = 114,193.94