Finding the Fourth Proportional to 11,983.16, 17,974.71 and 3,217.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.16 : 17,974.71 = 3,217.34 : x
2. Step 2: Convert to fraction form
   11,983.16/17,974.71 = 3,217.34/x
3. Step 3: Cross multiply
   11,983.16x = 17,974.71 × 3,217.34
4. Step 4: Simplify right side
   11,983.16x = 57,830,798.41
5. Step 5: Solve for x
   x = 57,830,798.41/11,983.16
6. Step 6: Final answer
   x = 4,826.00