Finding the Fourth Proportional to 11,962.91, 17,945.01 and 3,643.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,962.91 : 17,945.01 = 3,643.19 : x
2. Step 2: Convert to fraction form
   11,962.91/17,945.01 = 3,643.19/x
3. Step 3: Cross multiply
   11,962.91x = 17,945.01 × 3,643.19
4. Step 4: Simplify right side
   11,962.91x = 65,377,080.98
5. Step 5: Solve for x
   x = 65,377,080.98/11,962.91
6. Step 6: Final answer
   x = 5,464.98