Finding the Fourth Proportional to 78,003.97, 117,005.86 and 25,413.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,003.97 : 117,005.86 = 25,413.37 : x
2. Step 2: Convert to fraction form
   78,003.97/117,005.86 = 25,413.37/x
3. Step 3: Cross multiply
   78,003.97x = 117,005.86 × 25,413.37
4. Step 4: Simplify right side
   78,003.97x = 2,973,513,212.35
5. Step 5: Solve for x
   x = 2,973,513,212.35/78,003.97
6. Step 6: Final answer
   x = 38,120.02