Finding the Fourth Proportional to 23,925.69, 33,016.76 and 13,315.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,925.69 : 33,016.76 = 13,315.09 : x
2. Step 2: Convert to fraction form
   23,925.69/33,016.76 = 13,315.09/x
3. Step 3: Cross multiply
   23,925.69x = 33,016.76 × 13,315.09
4. Step 4: Simplify right side
   23,925.69x = 439,621,105.60
5. Step 5: Solve for x
   x = 439,621,105.60/23,925.69
6. Step 6: Final answer
   x = 18,374.44