Finding the Fourth Proportional to 2,216.73, 3,325.50 and 983.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.73 : 3,325.50 = 983.91 : x
2. Step 2: Convert to fraction form
   2,216.73/3,325.50 = 983.91/x
3. Step 3: Cross multiply
   2,216.73x = 3,325.50 × 983.91
4. Step 4: Simplify right side
   2,216.73x = 3,271,992.71
5. Step 5: Solve for x
   x = 3,271,992.71/2,216.73
6. Step 6: Final answer
   x = 1,476.04