Finding the Fourth Proportional to 17,018.84, 25,413.54 and 13,904.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,018.84 : 25,413.54 = 13,904.98 : x
2. Step 2: Convert to fraction form
   17,018.84/25,413.54 = 13,904.98/x
3. Step 3: Cross multiply
   17,018.84x = 25,413.54 × 13,904.98
4. Step 4: Simplify right side
   17,018.84x = 353,374,765.43
5. Step 5: Solve for x
   x = 353,374,765.43/17,018.84
6. Step 6: Final answer
   x = 20,763.74