Finding the Fourth Proportional to 50,811.39, 70,122.24 and 30,667.95

Step by Step Solution

1. Step 1: Write the proportion equation
   50,811.39 : 70,122.24 = 30,667.95 : x
2. Step 2: Convert to fraction form
   50,811.39/70,122.24 = 30,667.95/x
3. Step 3: Cross multiply
   50,811.39x = 70,122.24 × 30,667.95
4. Step 4: Simplify right side
   50,811.39x = 2,150,505,350.21
5. Step 5: Solve for x
   x = 2,150,505,350.21/50,811.39
6. Step 6: Final answer
   x = 42,323.29