Finding the Fourth Proportional to 9,196.58, 13,690.83 and 9,141.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.58 : 13,690.83 = 9,141.90 : x
2. Step 2: Convert to fraction form
   9,196.58/13,690.83 = 9,141.90/x
3. Step 3: Cross multiply
   9,196.58x = 13,690.83 × 9,141.90
4. Step 4: Simplify right side
   9,196.58x = 125,160,198.78
5. Step 5: Solve for x
   x = 125,160,198.78/9,196.58
6. Step 6: Final answer
   x = 13,609.44