Finding the Fourth Proportional to 13,885, 19,161.30 and 7,597.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,885 : 19,161.30 = 7,597.42 : x
2. Step 2: Convert to fraction form
   13,885/19,161.30 = 7,597.42/x
3. Step 3: Cross multiply
   13,885x = 19,161.30 × 7,597.42
4. Step 4: Simplify right side
   13,885x = 145,576,443.85
5. Step 5: Solve for x
   x = 145,576,443.85/13,885
6. Step 6: Final answer
   x = 10,484.44