Finding the Fourth Proportional to 16,996.88, 25,497.72 and 7,136.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,996.88 : 25,497.72 = 7,136.72 : x
2. Step 2: Convert to fraction form
   16,996.88/25,497.72 = 7,136.72/x
3. Step 3: Cross multiply
   16,996.88x = 25,497.72 × 7,136.72
4. Step 4: Simplify right side
   16,996.88x = 181,970,088.28
5. Step 5: Solve for x
   x = 181,970,088.28/16,996.88
6. Step 6: Final answer
   x = 10,706.09