Finding the Fourth Proportional to 23,774.32, 32,808.72 and 13,164.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,774.32 : 32,808.72 = 13,164.64 : x
2. Step 2: Convert to fraction form
   23,774.32/32,808.72 = 13,164.64/x
3. Step 3: Cross multiply
   23,774.32x = 32,808.72 × 13,164.64
4. Step 4: Simplify right side
   23,774.32x = 431,914,987.66
5. Step 5: Solve for x
   x = 431,914,987.66/23,774.32
6. Step 6: Final answer
   x = 18,167.29