Finding the Fourth Proportional to 1,522.31, 2,100.29 and 892.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.31 : 2,100.29 = 892.63 : x
2. Step 2: Convert to fraction form
   1,522.31/2,100.29 = 892.63/x
3. Step 3: Cross multiply
   1,522.31x = 2,100.29 × 892.63
4. Step 4: Simplify right side
   1,522.31x = 1,874,772.15
5. Step 5: Solve for x
   x = 1,874,772.15/1,522.31
6. Step 6: Final answer
   x = 1,231.54