Finding the Fourth Proportional to 146,469.78, 202,131.72 and 82,811.34

Step by Step Solution

1. Step 1: Write the proportion equation
   146,469.78 : 202,131.72 = 82,811.34 : x
2. Step 2: Convert to fraction form
   146,469.78/202,131.72 = 82,811.34/x
3. Step 3: Cross multiply
   146,469.78x = 202,131.72 × 82,811.34
4. Step 4: Simplify right side
   146,469.78x = 16,738,798,589.70
5. Step 5: Solve for x
   x = 16,738,798,589.70/146,469.78
6. Step 6: Final answer
   x = 114,281.58