Finding the Fourth Proportional to 17,321.47, 25,962.77 and 8,562.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.47 : 25,962.77 = 8,562.54 : x
2. Step 2: Convert to fraction form
   17,321.47/25,962.77 = 8,562.54/x
3. Step 3: Cross multiply
   17,321.47x = 25,962.77 × 8,562.54
4. Step 4: Simplify right side
   17,321.47x = 222,307,084.01
5. Step 5: Solve for x
   x = 222,307,084.01/17,321.47
6. Step 6: Final answer
   x = 12,834.19