Finding the Fourth Proportional to 1,676.63, 2,512.89 and 1,264.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.63 : 2,512.89 = 1,264.46 : x
2. Step 2: Convert to fraction form
   1,676.63/2,512.89 = 1,264.46/x
3. Step 3: Cross multiply
   1,676.63x = 2,512.89 × 1,264.46
4. Step 4: Simplify right side
   1,676.63x = 3,177,448.89
5. Step 5: Solve for x
   x = 3,177,448.89/1,676.63
6. Step 6: Final answer
   x = 1,895.14