Finding the Fourth Proportional to 1,362.37, 2,040.93 and 840.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.37 : 2,040.93 = 840.83 : x
2. Step 2: Convert to fraction form
   1,362.37/2,040.93 = 840.83/x
3. Step 3: Cross multiply
   1,362.37x = 2,040.93 × 840.83
4. Step 4: Simplify right side
   1,362.37x = 1,716,075.17
5. Step 5: Solve for x
   x = 1,716,075.17/1,362.37
6. Step 6: Final answer
   x = 1,259.62