Finding the Fourth Proportional to 78,560.97, 108,413.94 and 42,750.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,560.97 : 108,413.94 = 42,750.98 : x
2. Step 2: Convert to fraction form
   78,560.97/108,413.94 = 42,750.98/x
3. Step 3: Cross multiply
   78,560.97x = 108,413.94 × 42,750.98
4. Step 4: Simplify right side
   78,560.97x = 4,634,801,638.59
5. Step 5: Solve for x
   x = 4,634,801,638.59/78,560.97
6. Step 6: Final answer
   x = 58,996.24