Finding the Fourth Proportional to 35,610.01, 53,377.34 and 13,413.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,610.01 : 53,377.34 = 13,413.78 : x
2. Step 2: Convert to fraction form
   35,610.01/53,377.34 = 13,413.78/x
3. Step 3: Cross multiply
   35,610.01x = 53,377.34 × 13,413.78
4. Step 4: Simplify right side
   35,610.01x = 715,991,895.75
5. Step 5: Solve for x
   x = 715,991,895.75/35,610.01
6. Step 6: Final answer
   x = 20,106.48