Finding the Fourth Proportional to 23,048.18, 31,808.42 and 13,361

Step by Step Solution

1. Step 1: Write the proportion equation
   23,048.18 : 31,808.42 = 13,361 : x
2. Step 2: Convert to fraction form
   23,048.18/31,808.42 = 13,361/x
3. Step 3: Cross multiply
   23,048.18x = 31,808.42 × 13,361
4. Step 4: Simplify right side
   23,048.18x = 424,992,299.62
5. Step 5: Solve for x
   x = 424,992,299.62/23,048.18
6. Step 6: Final answer
   x = 18,439.30