Finding the Fourth Proportional to 50,654.80, 69,906.30 and 30,518.02

Step by Step Solution

1. Step 1: Write the proportion equation
   50,654.80 : 69,906.30 = 30,518.02 : x
2. Step 2: Convert to fraction form
   50,654.80/69,906.30 = 30,518.02/x
3. Step 3: Cross multiply
   50,654.80x = 69,906.30 × 30,518.02
4. Step 4: Simplify right side
   50,654.80x = 2,133,401,861.53
5. Step 5: Solve for x
   x = 2,133,401,861.53/50,654.80
6. Step 6: Final answer
   x = 42,116.48