Finding the Fourth Proportional to 33,919.39, 46,768.08 and 21,978.37

Step by Step Solution

1. Step 1: Write the proportion equation
   33,919.39 : 46,768.08 = 21,978.37 : x
2. Step 2: Convert to fraction form
   33,919.39/46,768.08 = 21,978.37/x
3. Step 3: Cross multiply
   33,919.39x = 46,768.08 × 21,978.37
4. Step 4: Simplify right side
   33,919.39x = 1,027,886,166.43
5. Step 5: Solve for x
   x = 1,027,886,166.43/33,919.39
6. Step 6: Final answer
   x = 30,303.79