Finding the Fourth Proportional to 50,630.78, 69,873.18 and 30,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,630.78 : 69,873.18 = 30,493.82 : x
2. Step 2: Convert to fraction form
   50,630.78/69,873.18 = 30,493.82/x
3. Step 3: Cross multiply
   50,630.78x = 69,873.18 × 30,493.82
4. Step 4: Simplify right side
   50,630.78x = 2,130,700,173.75
5. Step 5: Solve for x
   x = 2,130,700,173.75/50,630.78
6. Step 6: Final answer
   x = 42,083.10