Finding the Fourth Proportional to 2,320.11, 3,201.83 and 1,272.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.11 : 3,201.83 = 1,272.27 : x
2. Step 2: Convert to fraction form
   2,320.11/3,201.83 = 1,272.27/x
3. Step 3: Cross multiply
   2,320.11x = 3,201.83 × 1,272.27
4. Step 4: Simplify right side
   2,320.11x = 4,073,585.89
5. Step 5: Solve for x
   x = 4,073,585.89/2,320.11
6. Step 6: Final answer
   x = 1,755.77