Finding the Fourth Proportional to 2,214.30, 3,053.91 and 1,616.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.30 : 3,053.91 = 1,616.12 : x
2. Step 2: Convert to fraction form
   2,214.30/3,053.91 = 1,616.12/x
3. Step 3: Cross multiply
   2,214.30x = 3,053.91 × 1,616.12
4. Step 4: Simplify right side
   2,214.30x = 4,935,469.76
5. Step 5: Solve for x
   x = 4,935,469.76/2,214.30
6. Step 6: Final answer
   x = 2,228.91