Finding the Fourth Proportional to 55,413.33, 83,064.57 and 19,864.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,413.33 : 83,064.57 = 19,864.98 : x
2. Step 2: Convert to fraction form
   55,413.33/83,064.57 = 19,864.98/x
3. Step 3: Cross multiply
   55,413.33x = 83,064.57 × 19,864.98
4. Step 4: Simplify right side
   55,413.33x = 1,650,076,021.76
5. Step 5: Solve for x
   x = 1,650,076,021.76/55,413.33
6. Step 6: Final answer
   x = 29,777.60