Finding the Fourth Proportional to 16,736.17, 25,103.40 and 5,643.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,736.17 : 25,103.40 = 5,643.28 : x
2. Step 2: Convert to fraction form
   16,736.17/25,103.40 = 5,643.28/x
3. Step 3: Cross multiply
   16,736.17x = 25,103.40 × 5,643.28
4. Step 4: Simplify right side
   16,736.17x = 141,665,515.15
5. Step 5: Solve for x
   x = 141,665,515.15/16,736.17
6. Step 6: Final answer
   x = 8,464.63