Finding the Fourth Proportional to 143,089.34, 197,472.48 and 82,662.54

Step by Step Solution

1. Step 1: Write the proportion equation
   143,089.34 : 197,472.48 = 82,662.54 : x
2. Step 2: Convert to fraction form
   143,089.34/197,472.48 = 82,662.54/x
3. Step 3: Cross multiply
   143,089.34x = 197,472.48 × 82,662.54
4. Step 4: Simplify right side
   143,089.34x = 16,323,576,776.90
5. Step 5: Solve for x
   x = 16,323,576,776.90/143,089.34
6. Step 6: Final answer
   x = 114,079.61