Finding the Fourth Proportional to 11,984.99, 17,976.81 and 3,665.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,984.99 : 17,976.81 = 3,665.00 : x
2. Step 2: Convert to fraction form
   11,984.99/17,976.81 = 3,665.00/x
3. Step 3: Cross multiply
   11,984.99x = 17,976.81 × 3,665.00
4. Step 4: Simplify right side
   11,984.99x = 65,884,918.77
5. Step 5: Solve for x
   x = 65,884,918.77/11,984.99
6. Step 6: Final answer
   x = 5,497.29