Finding the Fourth Proportional to 2,820.51, 4,233.20 and 1,360.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.51 : 4,233.20 = 1,360.89 : x
2. Step 2: Convert to fraction form
   2,820.51/4,233.20 = 1,360.89/x
3. Step 3: Cross multiply
   2,820.51x = 4,233.20 × 1,360.89
4. Step 4: Simplify right side
   2,820.51x = 5,760,936.27
5. Step 5: Solve for x
   x = 5,760,936.27/2,820.51
6. Step 6: Final answer
   x = 2,042.51