Finding the Fourth Proportional to 33,856.78, 50,804.61 and 26,440.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,856.78 : 50,804.61 = 26,440.42 : x
2. Step 2: Convert to fraction form
   33,856.78/50,804.61 = 26,440.42/x
3. Step 3: Cross multiply
   33,856.78x = 50,804.61 × 26,440.42
4. Step 4: Simplify right side
   33,856.78x = 1,343,294,972.31
5. Step 5: Solve for x
   x = 1,343,294,972.31/33,856.78
6. Step 6: Final answer
   x = 39,675.81