Finding the Fourth Proportional to 2,227.72, 3,336.72 and 925.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.72 : 3,336.72 = 925.24 : x
2. Step 2: Convert to fraction form
   2,227.72/3,336.72 = 925.24/x
3. Step 3: Cross multiply
   2,227.72x = 3,336.72 × 925.24
4. Step 4: Simplify right side
   2,227.72x = 3,087,266.81
5. Step 5: Solve for x
   x = 3,087,266.81/2,227.72
6. Step 6: Final answer
   x = 1,385.84