Finding the Fourth Proportional to 2,061.28, 3,092.07 and 762.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.28 : 3,092.07 = 762.75 : x
2. Step 2: Convert to fraction form
   2,061.28/3,092.07 = 762.75/x
3. Step 3: Cross multiply
   2,061.28x = 3,092.07 × 762.75
4. Step 4: Simplify right side
   2,061.28x = 2,358,479.25
5. Step 5: Solve for x
   x = 2,358,479.25/2,061.28
6. Step 6: Final answer
   x = 1,144.18