Finding the Fourth Proportional to 16,736.88, 25,109.16 and 5,643.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,736.88 : 25,109.16 = 5,643.30 : x
2. Step 2: Convert to fraction form
   16,736.88/25,109.16 = 5,643.30/x
3. Step 3: Cross multiply
   16,736.88x = 25,109.16 × 5,643.30
4. Step 4: Simplify right side
   16,736.88x = 141,698,522.63
5. Step 5: Solve for x
   x = 141,698,522.63/16,736.88
6. Step 6: Final answer
   x = 8,466.24