Finding the Fourth Proportional to 1,886.33, 2,819.56 and 1,637.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.33 : 2,819.56 = 1,637.54 : x
2. Step 2: Convert to fraction form
   1,886.33/2,819.56 = 1,637.54/x
3. Step 3: Cross multiply
   1,886.33x = 2,819.56 × 1,637.54
4. Step 4: Simplify right side
   1,886.33x = 4,617,142.28
5. Step 5: Solve for x
   x = 4,617,142.28/1,886.33
6. Step 6: Final answer
   x = 2,447.69