Finding the Fourth Proportional to 2,820.61, 4,233.34 and 1,360.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.61 : 4,233.34 = 1,360.99 : x
2. Step 2: Convert to fraction form
   2,820.61/4,233.34 = 1,360.99/x
3. Step 3: Cross multiply
   2,820.61x = 4,233.34 × 1,360.99
4. Step 4: Simplify right side
   2,820.61x = 5,761,524.52
5. Step 5: Solve for x
   x = 5,761,524.52/2,820.61
6. Step 6: Final answer
   x = 2,042.65