Finding the Fourth Proportional to 1,694.96, 2,537.69 and 1,380.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.96 : 2,537.69 = 1,380.72 : x
2. Step 2: Convert to fraction form
   1,694.96/2,537.69 = 1,380.72/x
3. Step 3: Cross multiply
   1,694.96x = 2,537.69 × 1,380.72
4. Step 4: Simplify right side
   1,694.96x = 3,503,832.43
5. Step 5: Solve for x
   x = 3,503,832.43/1,694.96
6. Step 6: Final answer
   x = 2,067.21