Finding the Fourth Proportional to 50,464.82, 69,641.57 and 28,955.34

Step by Step Solution

1. Step 1: Write the proportion equation
   50,464.82 : 69,641.57 = 28,955.34 : x
2. Step 2: Convert to fraction form
   50,464.82/69,641.57 = 28,955.34/x
3. Step 3: Cross multiply
   50,464.82x = 69,641.57 × 28,955.34
4. Step 4: Simplify right side
   50,464.82x = 2,016,495,409.87
5. Step 5: Solve for x
   x = 2,016,495,409.87/50,464.82
6. Step 6: Final answer
   x = 39,958.44