Finding the Fourth Proportional to 1,673.72, 2,510.56 and 1,308.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.72 : 2,510.56 = 1,308.82 : x
2. Step 2: Convert to fraction form
   1,673.72/2,510.56 = 1,308.82/x
3. Step 3: Cross multiply
   1,673.72x = 2,510.56 × 1,308.82
4. Step 4: Simplify right side
   1,673.72x = 3,285,871.14
5. Step 5: Solve for x
   x = 3,285,871.14/1,673.72
6. Step 6: Final answer
   x = 1,963.21