Finding the Fourth Proportional to 11,774.72, 17,664.62 and 3,983.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,774.72 : 17,664.62 = 3,983.36 : x
2. Step 2: Convert to fraction form
   11,774.72/17,664.62 = 3,983.36/x
3. Step 3: Cross multiply
   11,774.72x = 17,664.62 × 3,983.36
4. Step 4: Simplify right side
   11,774.72x = 70,364,540.72
5. Step 5: Solve for x
   x = 70,364,540.72/11,774.72
6. Step 6: Final answer
   x = 5,975.90