Finding the Fourth Proportional to 42,648.21, 58,854.39 and 25,662.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,648.21 : 58,854.39 = 25,662.35 : x
2. Step 2: Convert to fraction form
   42,648.21/58,854.39 = 25,662.35/x
3. Step 3: Cross multiply
   42,648.21x = 58,854.39 × 25,662.35
4. Step 4: Simplify right side
   42,648.21x = 1,510,341,660.94
5. Step 5: Solve for x
   x = 1,510,341,660.94/42,648.21
6. Step 6: Final answer
   x = 35,413.95