Finding the Fourth Proportional to 11,612, 17,420.96 and 3,404

Step by Step Solution

1. Step 1: Write the proportion equation
   11,612 : 17,420.96 = 3,404 : x
2. Step 2: Convert to fraction form
   11,612/17,420.96 = 3,404/x
3. Step 3: Cross multiply
   11,612x = 17,420.96 × 3,404
4. Step 4: Simplify right side
   11,612x = 59,300,947.84
5. Step 5: Solve for x
   x = 59,300,947.84/11,612
6. Step 6: Final answer
   x = 5,106.87