Finding the Fourth Proportional to 11,736.10, 16,196.15 and 7,136.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,736.10 : 16,196.15 = 7,136.87 : x
2. Step 2: Convert to fraction form
   11,736.10/16,196.15 = 7,136.87/x
3. Step 3: Cross multiply
   11,736.10x = 16,196.15 × 7,136.87
4. Step 4: Simplify right side
   11,736.10x = 115,589,817.05
5. Step 5: Solve for x
   x = 115,589,817.05/11,736.10
6. Step 6: Final answer
   x = 9,849.08