Finding the Fourth Proportional to 33,707, 46,512.78 and 21,770.84

Step by Step Solution

1. Step 1: Write the proportion equation
   33,707 : 46,512.78 = 21,770.84 : x
2. Step 2: Convert to fraction form
   33,707/46,512.78 = 21,770.84/x
3. Step 3: Cross multiply
   33,707x = 46,512.78 × 21,770.84
4. Step 4: Simplify right side
   33,707x = 1,012,622,291.34
5. Step 5: Solve for x
   x = 1,012,622,291.34/33,707
6. Step 6: Final answer
   x = 30,041.90