Finding the Fourth Proportional to 1,522.26, 2,100.87 and 997.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.26 : 2,100.87 = 997.38 : x
2. Step 2: Convert to fraction form
   1,522.26/2,100.87 = 997.38/x
3. Step 3: Cross multiply
   1,522.26x = 2,100.87 × 997.38
4. Step 4: Simplify right side
   1,522.26x = 2,095,365.72
5. Step 5: Solve for x
   x = 2,095,365.72/1,522.26
6. Step 6: Final answer
   x = 1,376.48