Finding the Fourth Proportional to 1,362.33, 1,879.35 and 837.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.33 : 1,879.35 = 837.45 : x
2. Step 2: Convert to fraction form
   1,362.33/1,879.35 = 837.45/x
3. Step 3: Cross multiply
   1,362.33x = 1,879.35 × 837.45
4. Step 4: Simplify right side
   1,362.33x = 1,573,861.66
5. Step 5: Solve for x
   x = 1,573,861.66/1,362.33
6. Step 6: Final answer
   x = 1,155.27