Finding the Fourth Proportional to 1,522.08, 2,100.20 and 892.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.08 : 2,100.20 = 892.64 : x
2. Step 2: Convert to fraction form
   1,522.08/2,100.20 = 892.64/x
3. Step 3: Cross multiply
   1,522.08x = 2,100.20 × 892.64
4. Step 4: Simplify right side
   1,522.08x = 1,874,723.32
5. Step 5: Solve for x
   x = 1,874,723.32/1,522.08
6. Step 6: Final answer
   x = 1,231.69