Finding the Fourth Proportional to 11,983.31, 17,975.00 and 3,663.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.31 : 17,975.00 = 3,663.29 : x
2. Step 2: Convert to fraction form
   11,983.31/17,975.00 = 3,663.29/x
3. Step 3: Cross multiply
   11,983.31x = 17,975.00 × 3,663.29
4. Step 4: Simplify right side
   11,983.31x = 65,847,557.03
5. Step 5: Solve for x
   x = 65,847,557.03/11,983.31
6. Step 6: Final answer
   x = 5,494.94