Finding the Fourth Proportional to 49,854.78, 74,796.30 and 20,293.83

Step by Step Solution

1. Step 1: Write the proportion equation
   49,854.78 : 74,796.30 = 20,293.83 : x
2. Step 2: Convert to fraction form
   49,854.78/74,796.30 = 20,293.83/x
3. Step 3: Cross multiply
   49,854.78x = 74,796.30 × 20,293.83
4. Step 4: Simplify right side
   49,854.78x = 1,517,902,921.38
5. Step 5: Solve for x
   x = 1,517,902,921.38/49,854.78
6. Step 6: Final answer
   x = 30,446.49