Finding the Fourth Proportional to 49,648.56, 68,530.69 and 31,743.64

Step by Step Solution

1. Step 1: Write the proportion equation
   49,648.56 : 68,530.69 = 31,743.64 : x
2. Step 2: Convert to fraction form
   49,648.56/68,530.69 = 31,743.64/x
3. Step 3: Cross multiply
   49,648.56x = 68,530.69 × 31,743.64
4. Step 4: Simplify right side
   49,648.56x = 2,175,413,050.94
5. Step 5: Solve for x
   x = 2,175,413,050.94/49,648.56
6. Step 6: Final answer
   x = 43,816.24