Finding the Fourth Proportional to 50,645.34, 69,935.40 and 31,557.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,645.34 : 69,935.40 = 31,557.69 : x
2. Step 2: Convert to fraction form
   50,645.34/69,935.40 = 31,557.69/x
3. Step 3: Cross multiply
   50,645.34x = 69,935.40 × 31,557.69
4. Step 4: Simplify right side
   50,645.34x = 2,206,999,673.23
5. Step 5: Solve for x
   x = 2,206,999,673.23/50,645.34
6. Step 6: Final answer
   x = 43,577.55