Finding the Fourth Proportional to 50,436.88, 69,594.60 and 30,564.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,436.88 : 69,594.60 = 30,564.88 : x
2. Step 2: Convert to fraction form
   50,436.88/69,594.60 = 30,564.88/x
3. Step 3: Cross multiply
   50,436.88x = 69,594.60 × 30,564.88
4. Step 4: Simplify right side
   50,436.88x = 2,127,150,597.65
5. Step 5: Solve for x
   x = 2,127,150,597.65/50,436.88
6. Step 6: Final answer
   x = 42,174.51