Finding the Fourth Proportional to 2,216.01, 3,056.28 and 1,617.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.01 : 3,056.28 = 1,617.84 : x
2. Step 2: Convert to fraction form
   2,216.01/3,056.28 = 1,617.84/x
3. Step 3: Cross multiply
   2,216.01x = 3,056.28 × 1,617.84
4. Step 4: Simplify right side
   2,216.01x = 4,944,572.04
5. Step 5: Solve for x
   x = 4,944,572.04/2,216.01
6. Step 6: Final answer
   x = 2,231.30