Finding the Fourth Proportional to 1,360.37, 1,877.30 and 739.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.37 : 1,877.30 = 739.37 : x
2. Step 2: Convert to fraction form
   1,360.37/1,877.30 = 739.37/x
3. Step 3: Cross multiply
   1,360.37x = 1,877.30 × 739.37
4. Step 4: Simplify right side
   1,360.37x = 1,388,019.30
5. Step 5: Solve for x
   x = 1,388,019.30/1,360.37
6. Step 6: Final answer
   x = 1,020.32