Finding the Fourth Proportional to 2,064.05, 3,096.78 and 1,138.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.05 : 3,096.78 = 1,138.43 : x
2. Step 2: Convert to fraction form
   2,064.05/3,096.78 = 1,138.43/x
3. Step 3: Cross multiply
   2,064.05x = 3,096.78 × 1,138.43
4. Step 4: Simplify right side
   2,064.05x = 3,525,467.26
5. Step 5: Solve for x
   x = 3,525,467.26/2,064.05
6. Step 6: Final answer
   x = 1,708.03