Finding the Fourth Proportional to 17,321.73, 25,985.31 and 5,632.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.73 : 25,985.31 = 5,632.21 : x
2. Step 2: Convert to fraction form
   17,321.73/25,985.31 = 5,632.21/x
3. Step 3: Cross multiply
   17,321.73x = 25,985.31 × 5,632.21
4. Step 4: Simplify right side
   17,321.73x = 146,354,722.84
5. Step 5: Solve for x
   x = 146,354,722.84/17,321.73
6. Step 6: Final answer
   x = 8,449.20