Finding the Fourth Proportional to 78,559.12, 108,413.86 and 42,751.44

Step by Step Solution

1. Step 1: Write the proportion equation
   78,559.12 : 108,413.86 = 42,751.44 : x
2. Step 2: Convert to fraction form
   78,559.12/108,413.86 = 42,751.44/x
3. Step 3: Cross multiply
   78,559.12x = 108,413.86 × 42,751.44
4. Step 4: Simplify right side
   78,559.12x = 4,634,848,088.89
5. Step 5: Solve for x
   x = 4,634,848,088.89/78,559.12
6. Step 6: Final answer
   x = 58,998.22