Finding the Fourth Proportional to 2,073.33, 3,110.04 and 840.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.33 : 3,110.04 = 840.51 : x
2. Step 2: Convert to fraction form
   2,073.33/3,110.04 = 840.51/x
3. Step 3: Cross multiply
   2,073.33x = 3,110.04 × 840.51
4. Step 4: Simplify right side
   2,073.33x = 2,614,019.72
5. Step 5: Solve for x
   x = 2,614,019.72/2,073.33
6. Step 6: Final answer
   x = 1,260.78