Finding the Fourth Proportional to 17,212.97, 25,821.59 and 5,526.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,212.97 : 25,821.59 = 5,526.50 : x
2. Step 2: Convert to fraction form
   17,212.97/25,821.59 = 5,526.50/x
3. Step 3: Cross multiply
   17,212.97x = 25,821.59 × 5,526.50
4. Step 4: Simplify right side
   17,212.97x = 142,702,860.39
5. Step 5: Solve for x
   x = 142,702,860.39/17,212.97
6. Step 6: Final answer
   x = 8,290.43