Finding the Fourth Proportional to 2,021.12, 3,035.28 and 1,700.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.12 : 3,035.28 = 1,700.72 : x
2. Step 2: Convert to fraction form
   2,021.12/3,035.28 = 1,700.72/x
3. Step 3: Cross multiply
   2,021.12x = 3,035.28 × 1,700.72
4. Step 4: Simplify right side
   2,021.12x = 5,162,161.40
5. Step 5: Solve for x
   x = 5,162,161.40/2,021.12
6. Step 6: Final answer
   x = 2,554.11