Finding the Fourth Proportional to 23,771.16, 32,804.46 and 13,161

Step by Step Solution

1. Step 1: Write the proportion equation
   23,771.16 : 32,804.46 = 13,161 : x
2. Step 2: Convert to fraction form
   23,771.16/32,804.46 = 13,161/x
3. Step 3: Cross multiply
   23,771.16x = 32,804.46 × 13,161
4. Step 4: Simplify right side
   23,771.16x = 431,739,498.06
5. Step 5: Solve for x
   x = 431,739,498.06/23,771.16
6. Step 6: Final answer
   x = 18,162.32