Finding the Fourth Proportional to 2,774.99, 4,162.77 and 925.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.99 : 4,162.77 = 925.46 : x
2. Step 2: Convert to fraction form
   2,774.99/4,162.77 = 925.46/x
3. Step 3: Cross multiply
   2,774.99x = 4,162.77 × 925.46
4. Step 4: Simplify right side
   2,774.99x = 3,852,456.31
5. Step 5: Solve for x
   x = 3,852,456.31/2,774.99
6. Step 6: Final answer
   x = 1,388.28