Finding the Fourth Proportional to 80,941.81, 121,383.56 and 34,198.33

Step by Step Solution

1. Step 1: Write the proportion equation
   80,941.81 : 121,383.56 = 34,198.33 : x
2. Step 2: Convert to fraction form
   80,941.81/121,383.56 = 34,198.33/x
3. Step 3: Cross multiply
   80,941.81x = 121,383.56 × 34,198.33
4. Step 4: Simplify right side
   80,941.81x = 4,151,114,870.46
5. Step 5: Solve for x
   x = 4,151,114,870.46/80,941.81
6. Step 6: Final answer
   x = 51,285.17