Finding the Fourth Proportional to 23,879.89, 32,953.59 and 13,269.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,879.89 : 32,953.59 = 13,269.25 : x
2. Step 2: Convert to fraction form
   23,879.89/32,953.59 = 13,269.25/x
3. Step 3: Cross multiply
   23,879.89x = 32,953.59 × 13,269.25
4. Step 4: Simplify right side
   23,879.89x = 437,269,424.11
5. Step 5: Solve for x
   x = 437,269,424.11/23,879.89
6. Step 6: Final answer
   x = 18,311.20