Finding the Fourth Proportional to 50,765, 70,086.42 and 33,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,765 : 70,086.42 = 33,131.72 : x
2. Step 2: Convert to fraction form
   50,765/70,086.42 = 33,131.72/x
3. Step 3: Cross multiply
   50,765x = 70,086.42 × 33,131.72
4. Step 4: Simplify right side
   50,765x = 2,322,083,643.24
5. Step 5: Solve for x
   x = 2,322,083,643.24/50,765
6. Step 6: Final answer
   x = 45,741.82