Finding the Fourth Proportional to 2,774.82, 4,162.74 and 925.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.82 : 4,162.74 = 925.76 : x
2. Step 2: Convert to fraction form
   2,774.82/4,162.74 = 925.76/x
3. Step 3: Cross multiply
   2,774.82x = 4,162.74 × 925.76
4. Step 4: Simplify right side
   2,774.82x = 3,853,710.33
5. Step 5: Solve for x
   x = 3,853,710.33/2,774.82
6. Step 6: Final answer
   x = 1,388.81