Finding the Fourth Proportional to 49,852.37, 74,792.69 and 20,291.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,852.37 : 74,792.69 = 20,291.42 : x
2. Step 2: Convert to fraction form
   49,852.37/74,792.69 = 20,291.42/x
3. Step 3: Cross multiply
   49,852.37x = 74,792.69 × 20,291.42
4. Step 4: Simplify right side
   49,852.37x = 1,517,649,885.72
5. Step 5: Solve for x
   x = 1,517,649,885.72/49,852.37
6. Step 6: Final answer
   x = 30,442.88