Finding the Fourth Proportional to 16,732.29, 25,101.62 and 5,639.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,732.29 : 25,101.62 = 5,639.21 : x
2. Step 2: Convert to fraction form
   16,732.29/25,101.62 = 5,639.21/x
3. Step 3: Cross multiply
   16,732.29x = 25,101.62 × 5,639.21
4. Step 4: Simplify right side
   16,732.29x = 141,553,152.82
5. Step 5: Solve for x
   x = 141,553,152.82/16,732.29
6. Step 6: Final answer
   x = 8,459.88