Finding the Fourth Proportional to 1,789.73, 2,680.72 and 1,635.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.73 : 2,680.72 = 1,635.02 : x
2. Step 2: Convert to fraction form
   1,789.73/2,680.72 = 1,635.02/x
3. Step 3: Cross multiply
   1,789.73x = 2,680.72 × 1,635.02
4. Step 4: Simplify right side
   1,789.73x = 4,383,030.81
5. Step 5: Solve for x
   x = 4,383,030.81/1,789.73
6. Step 6: Final answer
   x = 2,448.99