Finding the Fourth Proportional to 50,808.89, 70,115.33 and 30,666.62

Step by Step Solution

1. Step 1: Write the proportion equation
   50,808.89 : 70,115.33 = 30,666.62 : x
2. Step 2: Convert to fraction form
   50,808.89/70,115.33 = 30,666.62/x
3. Step 3: Cross multiply
   50,808.89x = 70,115.33 × 30,666.62
4. Step 4: Simplify right side
   50,808.89x = 2,150,200,290.88
5. Step 5: Solve for x
   x = 2,150,200,290.88/50,808.89
6. Step 6: Final answer
   x = 42,319.37