Finding the Fourth Proportional to 1,397.33, 1,927.59 and 837.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.33 : 1,927.59 = 837.53 : x
2. Step 2: Convert to fraction form
   1,397.33/1,927.59 = 837.53/x
3. Step 3: Cross multiply
   1,397.33x = 1,927.59 × 837.53
4. Step 4: Simplify right side
   1,397.33x = 1,614,414.45
5. Step 5: Solve for x
   x = 1,614,414.45/1,397.33
6. Step 6: Final answer
   x = 1,155.36