Finding the Fourth Proportional to 12,175.30, 16,796.56 and 7,136.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,175.30 : 16,796.56 = 7,136.96 : x
2. Step 2: Convert to fraction form
   12,175.30/16,796.56 = 7,136.96/x
3. Step 3: Cross multiply
   12,175.30x = 16,796.56 × 7,136.96
4. Step 4: Simplify right side
   12,175.30x = 119,876,376.86
5. Step 5: Solve for x
   x = 119,876,376.86/12,175.30
6. Step 6: Final answer
   x = 9,845.87