Finding the Fourth Proportional to 9,196.42, 12,690.92 and 5,610.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.42 : 12,690.92 = 5,610.56 : x
2. Step 2: Convert to fraction form
   9,196.42/12,690.92 = 5,610.56/x
3. Step 3: Cross multiply
   9,196.42x = 12,690.92 × 5,610.56
4. Step 4: Simplify right side
   9,196.42x = 71,203,168.12
5. Step 5: Solve for x
   x = 71,203,168.12/9,196.42
6. Step 6: Final answer
   x = 7,742.49