Finding the Fourth Proportional to 33,978.68, 50,964.06 and 9,020.67

Step by Step Solution

1. Step 1: Write the proportion equation
   33,978.68 : 50,964.06 = 9,020.67 : x
2. Step 2: Convert to fraction form
   33,978.68/50,964.06 = 9,020.67/x
3. Step 3: Cross multiply
   33,978.68x = 50,964.06 × 9,020.67
4. Step 4: Simplify right side
   33,978.68x = 459,729,967.12
5. Step 5: Solve for x
   x = 459,729,967.12/33,978.68
6. Step 6: Final answer
   x = 13,529.95