Finding the Fourth Proportional to 1,522.12, 2,100.59 and 892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.12 : 2,100.59 = 892.56 : x
2. Step 2: Convert to fraction form
   1,522.12/2,100.59 = 892.56/x
3. Step 3: Cross multiply
   1,522.12x = 2,100.59 × 892.56
4. Step 4: Simplify right side
   1,522.12x = 1,874,907.86
5. Step 5: Solve for x
   x = 1,874,907.86/1,522.12
6. Step 6: Final answer
   x = 1,231.77