Finding the Fourth Proportional to 23,789.16, 32,829.32 and 13,179

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.16 : 32,829.32 = 13,179 : x
2. Step 2: Convert to fraction form
   23,789.16/32,829.32 = 13,179/x
3. Step 3: Cross multiply
   23,789.16x = 32,829.32 × 13,179
4. Step 4: Simplify right side
   23,789.16x = 432,657,608.28
5. Step 5: Solve for x
   x = 432,657,608.28/23,789.16
6. Step 6: Final answer
   x = 18,187.17