Finding the Fourth Proportional to 23,783.48, 32,821.59 and 13,028.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,783.48 : 32,821.59 = 13,028.19 : x
2. Step 2: Convert to fraction form
   23,783.48/32,821.59 = 13,028.19/x
3. Step 3: Cross multiply
   23,783.48x = 32,821.59 × 13,028.19
4. Step 4: Simplify right side
   23,783.48x = 427,605,910.62
5. Step 5: Solve for x
   x = 427,605,910.62/23,783.48
6. Step 6: Final answer
   x = 17,979.12