Finding the Fourth Proportional to 23,202.72, 31,995.55 and 13,769.46

Step by Step Solution

1. Step 1: Write the proportion equation
   23,202.72 : 31,995.55 = 13,769.46 : x
2. Step 2: Convert to fraction form
   23,202.72/31,995.55 = 13,769.46/x
3. Step 3: Cross multiply
   23,202.72x = 31,995.55 × 13,769.46
4. Step 4: Simplify right side
   23,202.72x = 440,561,411.48
5. Step 5: Solve for x
   x = 440,561,411.48/23,202.72
6. Step 6: Final answer
   x = 18,987.49