Finding the Fourth Proportional to 23,104.34, 31,892.18 and 13,672.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,104.34 : 31,892.18 = 13,672.88 : x
2. Step 2: Convert to fraction form
   23,104.34/31,892.18 = 13,672.88/x
3. Step 3: Cross multiply
   23,104.34x = 31,892.18 × 13,672.88
4. Step 4: Simplify right side
   23,104.34x = 436,057,950.08
5. Step 5: Solve for x
   x = 436,057,950.08/23,104.34
6. Step 6: Final answer
   x = 18,873.42