Finding the Fourth Proportional to 80,840.07, 121,274.79 and 33,429.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,840.07 : 121,274.79 = 33,429.42 : x
2. Step 2: Convert to fraction form
   80,840.07/121,274.79 = 33,429.42/x
3. Step 3: Cross multiply
   80,840.07x = 121,274.79 × 33,429.42
4. Step 4: Simplify right side
   80,840.07x = 4,054,145,890.32
5. Step 5: Solve for x
   x = 4,054,145,890.32/80,840.07
6. Step 6: Final answer
   x = 50,150.20