Finding the Fourth Proportional to 16,942.72, 25,412.64 and 4,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,942.72 : 25,412.64 = 4,630.72 : x
2. Step 2: Convert to fraction form
   16,942.72/25,412.64 = 4,630.72/x
3. Step 3: Cross multiply
   16,942.72x = 25,412.64 × 4,630.72
4. Step 4: Simplify right side
   16,942.72x = 117,678,820.30
5. Step 5: Solve for x
   x = 117,678,820.30/16,942.72
6. Step 6: Final answer
   x = 6,945.69