Finding the Fourth Proportional to 23,991.30, 33,107.25 and 13,382.73

Step by Step Solution

1. Step 1: Write the proportion equation
   23,991.30 : 33,107.25 = 13,382.73 : x
2. Step 2: Convert to fraction form
   23,991.30/33,107.25 = 13,382.73/x
3. Step 3: Cross multiply
   23,991.30x = 33,107.25 × 13,382.73
4. Step 4: Simplify right side
   23,991.30x = 443,065,387.79
5. Step 5: Solve for x
   x = 443,065,387.79/23,991.30
6. Step 6: Final answer
   x = 18,467.75