Finding the Fourth Proportional to 11,722.03, 17,585.91 and 3,401.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,722.03 : 17,585.91 = 3,401.87 : x
2. Step 2: Convert to fraction form
   11,722.03/17,585.91 = 3,401.87/x
3. Step 3: Cross multiply
   11,722.03x = 17,585.91 × 3,401.87
4. Step 4: Simplify right side
   11,722.03x = 59,824,891.72
5. Step 5: Solve for x
   x = 59,824,891.72/11,722.03
6. Step 6: Final answer
   x = 5,103.63