Finding the Fourth Proportional to 2,773.85, 4,161.72 and 925.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.85 : 4,161.72 = 925.16 : x
2. Step 2: Convert to fraction form
   2,773.85/4,161.72 = 925.16/x
3. Step 3: Cross multiply
   2,773.85x = 4,161.72 × 925.16
4. Step 4: Simplify right side
   2,773.85x = 3,850,256.88
5. Step 5: Solve for x
   x = 3,850,256.88/2,773.85
6. Step 6: Final answer
   x = 1,388.06