Finding the Fourth Proportional to 2,051.69, 2,831.33 and 1,120.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.69 : 2,831.33 = 1,120.19 : x
2. Step 2: Convert to fraction form
   2,051.69/2,831.33 = 1,120.19/x
3. Step 3: Cross multiply
   2,051.69x = 2,831.33 × 1,120.19
4. Step 4: Simplify right side
   2,051.69x = 3,171,620.47
5. Step 5: Solve for x
   x = 3,171,620.47/2,051.69
6. Step 6: Final answer
   x = 1,545.86