Finding the Fourth Proportional to 37,258.42, 51,413.57 and 21,942.54

Step by Step Solution

1. Step 1: Write the proportion equation
   37,258.42 : 51,413.57 = 21,942.54 : x
2. Step 2: Convert to fraction form
   37,258.42/51,413.57 = 21,942.54/x
3. Step 3: Cross multiply
   37,258.42x = 51,413.57 × 21,942.54
4. Step 4: Simplify right side
   37,258.42x = 1,128,144,316.27
5. Step 5: Solve for x
   x = 1,128,144,316.27/37,258.42
6. Step 6: Final answer
   x = 30,278.91