Finding the Fourth Proportional to 11,661.17, 17,493.49 and 3,761.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.17 : 17,493.49 = 3,761.08 : x
2. Step 2: Convert to fraction form
   11,661.17/17,493.49 = 3,761.08/x
3. Step 3: Cross multiply
   11,661.17x = 17,493.49 × 3,761.08
4. Step 4: Simplify right side
   11,661.17x = 65,794,415.37
5. Step 5: Solve for x
   x = 65,794,415.37/11,661.17
6. Step 6: Final answer
   x = 5,642.18