Finding the Fourth Proportional to 50,489.96, 69,669.78 and 30,343.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,489.96 : 69,669.78 = 30,343.88 : x
2. Step 2: Convert to fraction form
   50,489.96/69,669.78 = 30,343.88/x
3. Step 3: Cross multiply
   50,489.96x = 69,669.78 × 30,343.88
4. Step 4: Simplify right side
   50,489.96x = 2,114,051,443.95
5. Step 5: Solve for x
   x = 2,114,051,443.95/50,489.96
6. Step 6: Final answer
   x = 41,870.73