Finding the Fourth Proportional to 2,259.38, 3,388.31 and 758.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.38 : 3,388.31 = 758.10 : x
2. Step 2: Convert to fraction form
   2,259.38/3,388.31 = 758.10/x
3. Step 3: Cross multiply
   2,259.38x = 3,388.31 × 758.10
4. Step 4: Simplify right side
   2,259.38x = 2,568,677.81
5. Step 5: Solve for x
   x = 2,568,677.81/2,259.38
6. Step 6: Final answer
   x = 1,136.89