Finding the Fourth Proportional to 2,064.34, 3,096.56 and 1,139.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.34 : 3,096.56 = 1,139.73 : x
2. Step 2: Convert to fraction form
   2,064.34/3,096.56 = 1,139.73/x
3. Step 3: Cross multiply
   2,064.34x = 3,096.56 × 1,139.73
4. Step 4: Simplify right side
   2,064.34x = 3,529,242.33
5. Step 5: Solve for x
   x = 3,529,242.33/2,064.34
6. Step 6: Final answer
   x = 1,709.62