Finding the Fourth Proportional to 1,522.16, 2,099.90 and 892.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.16 : 2,099.90 = 892.73 : x
2. Step 2: Convert to fraction form
   1,522.16/2,099.90 = 892.73/x
3. Step 3: Cross multiply
   1,522.16x = 2,099.90 × 892.73
4. Step 4: Simplify right side
   1,522.16x = 1,874,628.76
5. Step 5: Solve for x
   x = 1,874,628.76/1,522.16
6. Step 6: Final answer
   x = 1,231.56