Finding the Fourth Proportional to 50,427.36, 69,595.20 and 31,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,427.36 : 69,595.20 = 31,570.56 : x
2. Step 2: Convert to fraction form
   50,427.36/69,595.20 = 31,570.56/x
3. Step 3: Cross multiply
   50,427.36x = 69,595.20 × 31,570.56
4. Step 4: Simplify right side
   50,427.36x = 2,197,159,437.31
5. Step 5: Solve for x
   x = 2,197,159,437.31/50,427.36
6. Step 6: Final answer
   x = 43,570.78