Finding the Fourth Proportional to 33,976.59, 50,944.69 and 12,918.17

Step by Step Solution

1. Step 1: Write the proportion equation
   33,976.59 : 50,944.69 = 12,918.17 : x
2. Step 2: Convert to fraction form
   33,976.59/50,944.69 = 12,918.17/x
3. Step 3: Cross multiply
   33,976.59x = 50,944.69 × 12,918.17
4. Step 4: Simplify right side
   33,976.59x = 658,112,354.94
5. Step 5: Solve for x
   x = 658,112,354.94/33,976.59
6. Step 6: Final answer
   x = 19,369.58