Finding the Fourth Proportional to 38,766.35, 58,413.31 and 31,900.35

Step by Step Solution

1. Step 1: Write the proportion equation
   38,766.35 : 58,413.31 = 31,900.35 : x
2. Step 2: Convert to fraction form
   38,766.35/58,413.31 = 31,900.35/x
3. Step 3: Cross multiply
   38,766.35x = 58,413.31 × 31,900.35
4. Step 4: Simplify right side
   38,766.35x = 1,863,405,033.66
5. Step 5: Solve for x
   x = 1,863,405,033.66/38,766.35
6. Step 6: Final answer
   x = 48,067.59