Finding the Fourth Proportional to 2,083.54, 3,123.28 and 1,694.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.54 : 3,123.28 = 1,694.34 : x
2. Step 2: Convert to fraction form
   2,083.54/3,123.28 = 1,694.34/x
3. Step 3: Cross multiply
   2,083.54x = 3,123.28 × 1,694.34
4. Step 4: Simplify right side
   2,083.54x = 5,291,898.24
5. Step 5: Solve for x
   x = 5,291,898.24/2,083.54
6. Step 6: Final answer
   x = 2,539.86