Finding the Fourth Proportional to 11,736.77, 17,604.86 and 3,945.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,736.77 : 17,604.86 = 3,945.59 : x
2. Step 2: Convert to fraction form
   11,736.77/17,604.86 = 3,945.59/x
3. Step 3: Cross multiply
   11,736.77x = 17,604.86 × 3,945.59
4. Step 4: Simplify right side
   11,736.77x = 69,461,451.82
5. Step 5: Solve for x
   x = 69,461,451.82/11,736.77
6. Step 6: Final answer
   x = 5,918.28