Finding the Fourth Proportional to 11,371.32, 17,046.72 and 3,974.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,371.32 : 17,046.72 = 3,974.40 : x
2. Step 2: Convert to fraction form
   11,371.32/17,046.72 = 3,974.40/x
3. Step 3: Cross multiply
   11,371.32x = 17,046.72 × 3,974.40
4. Step 4: Simplify right side
   11,371.32x = 67,750,483.97
5. Step 5: Solve for x
   x = 67,750,483.97/11,371.32
6. Step 6: Final answer
   x = 5,958.01