Finding the Fourth Proportional to 19,453.46, 29,109.32 and 16,851.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,453.46 : 29,109.32 = 16,851.34 : x
2. Step 2: Convert to fraction form
   19,453.46/29,109.32 = 16,851.34/x
3. Step 3: Cross multiply
   19,453.46x = 29,109.32 × 16,851.34
4. Step 4: Simplify right side
   19,453.46x = 490,530,818.69
5. Step 5: Solve for x
   x = 490,530,818.69/19,453.46
6. Step 6: Final answer
   x = 25,215.61