Finding the Fourth Proportional to 9,196.41, 12,690.18 and 5,612.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.41 : 12,690.18 = 5,612.42 : x
2. Step 2: Convert to fraction form
   9,196.41/12,690.18 = 5,612.42/x
3. Step 3: Cross multiply
   9,196.41x = 12,690.18 × 5,612.42
4. Step 4: Simplify right side
   9,196.41x = 71,222,651.76
5. Step 5: Solve for x
   x = 71,222,651.76/9,196.41
6. Step 6: Final answer
   x = 7,744.61