Finding the Fourth Proportional to 1,676.94, 2,315.31 and 1,499.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,676.94 : 2,315.31 = 1,499.34 : x
2. Step 2: Convert to fraction form
   1,676.94/2,315.31 = 1,499.34/x
3. Step 3: Cross multiply
   1,676.94x = 2,315.31 × 1,499.34
4. Step 4: Simplify right side
   1,676.94x = 3,471,436.90
5. Step 5: Solve for x
   x = 3,471,436.90/1,676.94
6. Step 6: Final answer
   x = 2,070.10