Finding the Fourth Proportional to 2,017.92, 2,784.57 and 1,121.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.92 : 2,784.57 = 1,121.59 : x
2. Step 2: Convert to fraction form
   2,017.92/2,784.57 = 1,121.59/x
3. Step 3: Cross multiply
   2,017.92x = 2,784.57 × 1,121.59
4. Step 4: Simplify right side
   2,017.92x = 3,123,155.77
5. Step 5: Solve for x
   x = 3,123,155.77/2,017.92
6. Step 6: Final answer
   x = 1,547.71