Finding the Fourth Proportional to 2,774.27, 4,161.61 and 925.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.27 : 4,161.61 = 925.38 : x
2. Step 2: Convert to fraction form
   2,774.27/4,161.61 = 925.38/x
3. Step 3: Cross multiply
   2,774.27x = 4,161.61 × 925.38
4. Step 4: Simplify right side
   2,774.27x = 3,851,071.82
5. Step 5: Solve for x
   x = 3,851,071.82/2,774.27
6. Step 6: Final answer
   x = 1,388.14