Finding the Fourth Proportional to 11,771.17, 17,659.48 and 3,451.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,771.17 : 17,659.48 = 3,451.83 : x
2. Step 2: Convert to fraction form
   11,771.17/17,659.48 = 3,451.83/x
3. Step 3: Cross multiply
   11,771.17x = 17,659.48 × 3,451.83
4. Step 4: Simplify right side
   11,771.17x = 60,957,522.85
5. Step 5: Solve for x
   x = 60,957,522.85/11,771.17
6. Step 6: Final answer
   x = 5,178.54