Finding the Fourth Proportional to 2,021.35, 3,026.86 and 1,200.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.35 : 3,026.86 = 1,200.22 : x
2. Step 2: Convert to fraction form
   2,021.35/3,026.86 = 1,200.22/x
3. Step 3: Cross multiply
   2,021.35x = 3,026.86 × 1,200.22
4. Step 4: Simplify right side
   2,021.35x = 3,632,897.91
5. Step 5: Solve for x
   x = 3,632,897.91/2,021.35
6. Step 6: Final answer
   x = 1,797.26