Finding the Fourth Proportional to 11,983.83, 17,974.53 and 3,217.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,983.83 : 17,974.53 = 3,217.61 : x
2. Step 2: Convert to fraction form
   11,983.83/17,974.53 = 3,217.61/x
3. Step 3: Cross multiply
   11,983.83x = 17,974.53 × 3,217.61
4. Step 4: Simplify right side
   11,983.83x = 57,834,937.60
5. Step 5: Solve for x
   x = 57,834,937.60/11,983.83
6. Step 6: Final answer
   x = 4,826.08