Finding the Fourth Proportional to 111,059.10, 166,418.55 and 82,846.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,059.10 : 166,418.55 = 82,846.80 : x
2. Step 2: Convert to fraction form
   111,059.10/166,418.55 = 82,846.80/x
3. Step 3: Cross multiply
   111,059.10x = 166,418.55 × 82,846.80
4. Step 4: Simplify right side
   111,059.10x = 13,787,244,328.14
5. Step 5: Solve for x
   x = 13,787,244,328.14/111,059.10
6. Step 6: Final answer
   x = 124,143.31