Finding the Fourth Proportional to 50,616.12, 69,847.16 and 30,479.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,616.12 : 69,847.16 = 30,479.52 : x
2. Step 2: Convert to fraction form
   50,616.12/69,847.16 = 30,479.52/x
3. Step 3: Cross multiply
   50,616.12x = 69,847.16 × 30,479.52
4. Step 4: Simplify right side
   50,616.12x = 2,128,907,910.16
5. Step 5: Solve for x
   x = 2,128,907,910.16/50,616.12
6. Step 6: Final answer
   x = 42,059.88