Finding the Fourth Proportional to 16,742.12, 25,096.86 and 7,974.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,742.12 : 25,096.86 = 7,974.68 : x
2. Step 2: Convert to fraction form
   16,742.12/25,096.86 = 7,974.68/x
3. Step 3: Cross multiply
   16,742.12x = 25,096.86 × 7,974.68
4. Step 4: Simplify right side
   16,742.12x = 200,139,427.50
5. Step 5: Solve for x
   x = 200,139,427.50/16,742.12
6. Step 6: Final answer
   x = 11,954.25