Finding the Fourth Proportional to 23,976.42, 33,087.54 and 13,365.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,976.42 : 33,087.54 = 13,365.78 : x
2. Step 2: Convert to fraction form
   23,976.42/33,087.54 = 13,365.78/x
3. Step 3: Cross multiply
   23,976.42x = 33,087.54 × 13,365.78
4. Step 4: Simplify right side
   23,976.42x = 442,240,780.38
5. Step 5: Solve for x
   x = 442,240,780.38/23,976.42
6. Step 6: Final answer
   x = 18,444.82