Finding the Fourth Proportional to 11,960.79, 17,942.10 and 3,641.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,960.79 : 17,942.10 = 3,641.51 : x
2. Step 2: Convert to fraction form
   11,960.79/17,942.10 = 3,641.51/x
3. Step 3: Cross multiply
   11,960.79x = 17,942.10 × 3,641.51
4. Step 4: Simplify right side
   11,960.79x = 65,336,367.77
5. Step 5: Solve for x
   x = 65,336,367.77/11,960.79
6. Step 6: Final answer
   x = 5,462.55