Finding the Fourth Proportional to 17,321.23, 25,984.56 and 5,631.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,321.23 : 25,984.56 = 5,631.71 : x
2. Step 2: Convert to fraction form
   17,321.23/25,984.56 = 5,631.71/x
3. Step 3: Cross multiply
   17,321.23x = 25,984.56 × 5,631.71
4. Step 4: Simplify right side
   17,321.23x = 146,337,506.40
5. Step 5: Solve for x
   x = 146,337,506.40/17,321.23
6. Step 6: Final answer
   x = 8,448.45