Finding the Fourth Proportional to 12,196.10, 16,829.75 and 7,160.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.10 : 16,829.75 = 7,160.53 : x
2. Step 2: Convert to fraction form
   12,196.10/16,829.75 = 7,160.53/x
3. Step 3: Cross multiply
   12,196.10x = 16,829.75 × 7,160.53
4. Step 4: Simplify right side
   12,196.10x = 120,509,809.82
5. Step 5: Solve for x
   x = 120,509,809.82/12,196.10
6. Step 6: Final answer
   x = 9,881.01