Finding the Fourth Proportional to 23,995, 33,113.13 and 13,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,995 : 33,113.13 = 13,385.31 : x
2. Step 2: Convert to fraction form
   23,995/33,113.13 = 13,385.31/x
3. Step 3: Cross multiply
   23,995x = 33,113.13 × 13,385.31
4. Step 4: Simplify right side
   23,995x = 443,229,510.12
5. Step 5: Solve for x
   x = 443,229,510.12/23,995
6. Step 6: Final answer
   x = 18,471.74