Finding the Fourth Proportional to 1,522.29, 2,287.71 and 906.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.29 : 2,287.71 = 906.11 : x
2. Step 2: Convert to fraction form
   1,522.29/2,287.71 = 906.11/x
3. Step 3: Cross multiply
   1,522.29x = 2,287.71 × 906.11
4. Step 4: Simplify right side
   1,522.29x = 2,072,916.91
5. Step 5: Solve for x
   x = 2,072,916.91/1,522.29
6. Step 6: Final answer
   x = 1,361.71