Finding the Fourth Proportional to 9,723.38, 13,419.88 and 7,361.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,723.38 : 13,419.88 = 7,361.42 : x
2. Step 2: Convert to fraction form
   9,723.38/13,419.88 = 7,361.42/x
3. Step 3: Cross multiply
   9,723.38x = 13,419.88 × 7,361.42
4. Step 4: Simplify right side
   9,723.38x = 98,789,287.53
5. Step 5: Solve for x
   x = 98,789,287.53/9,723.38
6. Step 6: Final answer
   x = 10,159.98