Finding the Fourth Proportional to 11,764.50, 17,648.22 and 3,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,764.50 : 17,648.22 = 3,556.50 : x
2. Step 2: Convert to fraction form
   11,764.50/17,648.22 = 3,556.50/x
3. Step 3: Cross multiply
   11,764.50x = 17,648.22 × 3,556.50
4. Step 4: Simplify right side
   11,764.50x = 62,765,894.43
5. Step 5: Solve for x
   x = 62,765,894.43/11,764.50
6. Step 6: Final answer
   x = 5,335.19