Finding the Fourth Proportional to 49,644.57, 68,507.81 and 28,419.73

Step by Step Solution

1. Step 1: Write the proportion equation
   49,644.57 : 68,507.81 = 28,419.73 : x
2. Step 2: Convert to fraction form
   49,644.57/68,507.81 = 28,419.73/x
3. Step 3: Cross multiply
   49,644.57x = 68,507.81 × 28,419.73
4. Step 4: Simplify right side
   49,644.57x = 1,946,973,463.09
5. Step 5: Solve for x
   x = 1,946,973,463.09/49,644.57
6. Step 6: Final answer
   x = 39,218.26