Finding the Fourth Proportional to 2,816.43, 3,882.54 and 1,974.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.43 : 3,882.54 = 1,974.59 : x
2. Step 2: Convert to fraction form
   2,816.43/3,882.54 = 1,974.59/x
3. Step 3: Cross multiply
   2,816.43x = 3,882.54 × 1,974.59
4. Step 4: Simplify right side
   2,816.43x = 7,666,427.21
5. Step 5: Solve for x
   x = 7,666,427.21/2,816.43
6. Step 6: Final answer
   x = 2,722.04