Finding the Fourth Proportional to 123,691.98, 185,413.33 and 48,783.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,691.98 : 185,413.33 = 48,783.18 : x
2. Step 2: Convert to fraction form
   123,691.98/185,413.33 = 48,783.18/x
3. Step 3: Cross multiply
   123,691.98x = 185,413.33 × 48,783.18
4. Step 4: Simplify right side
   123,691.98x = 9,045,051,851.79
5. Step 5: Solve for x
   x = 9,045,051,851.79/123,691.98
6. Step 6: Final answer
   x = 73,125.61