Finding the Fourth Proportional to 23,771.32, 32,802 and 13,158.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,771.32 : 32,802 = 13,158.16 : x
2. Step 2: Convert to fraction form
   23,771.32/32,802 = 13,158.16/x
3. Step 3: Cross multiply
   23,771.32x = 32,802 × 13,158.16
4. Step 4: Simplify right side
   23,771.32x = 431,613,964.32
5. Step 5: Solve for x
   x = 431,613,964.32/23,771.32
6. Step 6: Final answer
   x = 18,156.92