Finding the Fourth Proportional to 33,285.55, 45,922.99 and 21,960.67

Step by Step Solution

1. Step 1: Write the proportion equation
   33,285.55 : 45,922.99 = 21,960.67 : x
2. Step 2: Convert to fraction form
   33,285.55/45,922.99 = 21,960.67/x
3. Step 3: Cross multiply
   33,285.55x = 45,922.99 × 21,960.67
4. Step 4: Simplify right side
   33,285.55x = 1,008,499,289.39
5. Step 5: Solve for x
   x = 1,008,499,289.39/33,285.55
6. Step 6: Final answer
   x = 30,298.42