Finding the Fourth Proportional to 17,100.84, 25,654.50 and 5,413.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,100.84 : 25,654.50 = 5,413.08 : x
2. Step 2: Convert to fraction form
   17,100.84/25,654.50 = 5,413.08/x
3. Step 3: Cross multiply
   17,100.84x = 25,654.50 × 5,413.08
4. Step 4: Simplify right side
   17,100.84x = 138,869,860.86
5. Step 5: Solve for x
   x = 138,869,860.86/17,100.84
6. Step 6: Final answer
   x = 8,120.65