Finding the Fourth Proportional to 17,329.32, 25,996.28 and 5,638.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,329.32 : 25,996.28 = 5,638.59 : x
2. Step 2: Convert to fraction form
   17,329.32/25,996.28 = 5,638.59/x
3. Step 3: Cross multiply
   17,329.32x = 25,996.28 × 5,638.59
4. Step 4: Simplify right side
   17,329.32x = 146,582,336.25
5. Step 5: Solve for x
   x = 146,582,336.25/17,329.32
6. Step 6: Final answer
   x = 8,458.63