Finding the Fourth Proportional to 2,219.43, 3,062.25 and 1,628.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.43 : 3,062.25 = 1,628.94 : x
2. Step 2: Convert to fraction form
   2,219.43/3,062.25 = 1,628.94/x
3. Step 3: Cross multiply
   2,219.43x = 3,062.25 × 1,628.94
4. Step 4: Simplify right side
   2,219.43x = 4,988,221.52
5. Step 5: Solve for x
   x = 4,988,221.52/2,219.43
6. Step 6: Final answer
   x = 2,247.52