Finding the Fourth Proportional to 1,535.89, 2,119.53 and 837.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.89 : 2,119.53 = 837.25 : x
2. Step 2: Convert to fraction form
   1,535.89/2,119.53 = 837.25/x
3. Step 3: Cross multiply
   1,535.89x = 2,119.53 × 837.25
4. Step 4: Simplify right side
   1,535.89x = 1,774,576.49
5. Step 5: Solve for x
   x = 1,774,576.49/1,535.89
6. Step 6: Final answer
   x = 1,155.41