Finding the Fourth Proportional to 123,897.80, 185,823.94 and 56,413.84

Step by Step Solution

1. Step 1: Write the proportion equation
   123,897.80 : 185,823.94 = 56,413.84 : x
2. Step 2: Convert to fraction form
   123,897.80/185,823.94 = 56,413.84/x
3. Step 3: Cross multiply
   123,897.80x = 185,823.94 × 56,413.84
4. Step 4: Simplify right side
   123,897.80x = 10,483,042,019.33
5. Step 5: Solve for x
   x = 10,483,042,019.33/123,897.80
6. Step 6: Final answer
   x = 84,610.40