Finding the Fourth Proportional to 9,122.82, 13,686.42 and 3,198.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,122.82 : 13,686.42 = 3,198.84 : x
2. Step 2: Convert to fraction form
   9,122.82/13,686.42 = 3,198.84/x
3. Step 3: Cross multiply
   9,122.82x = 13,686.42 × 3,198.84
4. Step 4: Simplify right side
   9,122.82x = 43,780,667.75
5. Step 5: Solve for x
   x = 43,780,667.75/9,122.82
6. Step 6: Final answer
   x = 4,799.03