Finding the Fourth Proportional to 2,080.82, 2,872.01 and 1,372.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.82 : 2,872.01 = 1,372.79 : x
2. Step 2: Convert to fraction form
   2,080.82/2,872.01 = 1,372.79/x
3. Step 3: Cross multiply
   2,080.82x = 2,872.01 × 1,372.79
4. Step 4: Simplify right side
   2,080.82x = 3,942,677.22
5. Step 5: Solve for x
   x = 3,942,677.22/2,080.82
6. Step 6: Final answer
   x = 1,894.77