Finding the Fourth Proportional to 1,396.24, 1,924.25 and 1,356.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.24 : 1,924.25 = 1,356.26 : x
2. Step 2: Convert to fraction form
   1,396.24/1,924.25 = 1,356.26/x
3. Step 3: Cross multiply
   1,396.24x = 1,924.25 × 1,356.26
4. Step 4: Simplify right side
   1,396.24x = 2,609,766.90
5. Step 5: Solve for x
   x = 2,609,766.90/1,396.24
6. Step 6: Final answer
   x = 1,869.14