Finding the Fourth Proportional to 11,722.55, 17,585.55 and 3,401.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,722.55 : 17,585.55 = 3,401.48 : x
2. Step 2: Convert to fraction form
   11,722.55/17,585.55 = 3,401.48/x
3. Step 3: Cross multiply
   11,722.55x = 17,585.55 × 3,401.48
4. Step 4: Simplify right side
   11,722.55x = 59,816,891.32
5. Step 5: Solve for x
   x = 59,816,891.32/11,722.55
6. Step 6: Final answer
   x = 5,102.72