Finding the Fourth Proportional to 2,074.31, 3,112.14 and 758.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.31 : 3,112.14 = 758.46 : x
2. Step 2: Convert to fraction form
   2,074.31/3,112.14 = 758.46/x
3. Step 3: Cross multiply
   2,074.31x = 3,112.14 × 758.46
4. Step 4: Simplify right side
   2,074.31x = 2,360,435.60
5. Step 5: Solve for x
   x = 2,360,435.60/2,074.31
6. Step 6: Final answer
   x = 1,137.94