Finding the Fourth Proportional to 1,521.27, 2,099.39 and 892.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.27 : 2,099.39 = 892.25 : x
2. Step 2: Convert to fraction form
   1,521.27/2,099.39 = 892.25/x
3. Step 3: Cross multiply
   1,521.27x = 2,099.39 × 892.25
4. Step 4: Simplify right side
   1,521.27x = 1,873,180.73
5. Step 5: Solve for x
   x = 1,873,180.73/1,521.27
6. Step 6: Final answer
   x = 1,231.33