Finding the Fourth Proportional to 16,957.31, 25,404.75 and 10,630.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.31 : 25,404.75 = 10,630.98 : x
2. Step 2: Convert to fraction form
   16,957.31/25,404.75 = 10,630.98/x
3. Step 3: Cross multiply
   16,957.31x = 25,404.75 × 10,630.98
4. Step 4: Simplify right side
   16,957.31x = 270,077,389.16
5. Step 5: Solve for x
   x = 270,077,389.16/16,957.31
6. Step 6: Final answer
   x = 15,926.91