Finding the Fourth Proportional to 11,960.33, 17,941.16 and 3,640.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,960.33 : 17,941.16 = 3,640.61 : x
2. Step 2: Convert to fraction form
   11,960.33/17,941.16 = 3,640.61/x
3. Step 3: Cross multiply
   11,960.33x = 17,941.16 × 3,640.61
4. Step 4: Simplify right side
   11,960.33x = 65,316,820.46
5. Step 5: Solve for x
   x = 65,316,820.46/11,960.33
6. Step 6: Final answer
   x = 5,461.12