Finding the Fourth Proportional to 49,826.40, 68,757.84 and 30,963.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,826.40 : 68,757.84 = 30,963.12 : x
2. Step 2: Convert to fraction form
   49,826.40/68,757.84 = 30,963.12/x
3. Step 3: Cross multiply
   49,826.40x = 68,757.84 × 30,963.12
4. Step 4: Simplify right side
   49,826.40x = 2,128,957,250.86
5. Step 5: Solve for x
   x = 2,128,957,250.86/49,826.40
6. Step 6: Final answer
   x = 42,727.49