Finding the Fourth Proportional to 2,019.71, 2,788.76 and 1,628.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.71 : 2,788.76 = 1,628.48 : x
2. Step 2: Convert to fraction form
   2,019.71/2,788.76 = 1,628.48/x
3. Step 3: Cross multiply
   2,019.71x = 2,788.76 × 1,628.48
4. Step 4: Simplify right side
   2,019.71x = 4,541,439.88
5. Step 5: Solve for x
   x = 4,541,439.88/2,019.71
6. Step 6: Final answer
   x = 2,248.56