Finding the Fourth Proportional to 11,561.41, 17,342.72 and 3,664.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,561.41 : 17,342.72 = 3,664.77 : x
2. Step 2: Convert to fraction form
   11,561.41/17,342.72 = 3,664.77/x
3. Step 3: Cross multiply
   11,561.41x = 17,342.72 × 3,664.77
4. Step 4: Simplify right side
   11,561.41x = 63,556,974.94
5. Step 5: Solve for x
   x = 63,556,974.94/11,561.41
6. Step 6: Final answer
   x = 5,497.34