Finding the Fourth Proportional to 1,397.25, 1,927.53 and 837.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.25 : 1,927.53 = 837.54 : x
2. Step 2: Convert to fraction form
   1,397.25/1,927.53 = 837.54/x
3. Step 3: Cross multiply
   1,397.25x = 1,927.53 × 837.54
4. Step 4: Simplify right side
   1,397.25x = 1,614,383.48
5. Step 5: Solve for x
   x = 1,614,383.48/1,397.25
6. Step 6: Final answer
   x = 1,155.40