Finding the Fourth Proportional to 2,225.82, 3,338.82 and 927.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.82 : 3,338.82 = 927.12 : x
2. Step 2: Convert to fraction form
   2,225.82/3,338.82 = 927.12/x
3. Step 3: Cross multiply
   2,225.82x = 3,338.82 × 927.12
4. Step 4: Simplify right side
   2,225.82x = 3,095,486.80
5. Step 5: Solve for x
   x = 3,095,486.80/2,225.82
6. Step 6: Final answer
   x = 1,390.72