Finding the Fourth Proportional to 1,780.94, 2,457.71 and 1,035.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.94 : 2,457.71 = 1,035.33 : x
2. Step 2: Convert to fraction form
   1,780.94/2,457.71 = 1,035.33/x
3. Step 3: Cross multiply
   1,780.94x = 2,457.71 × 1,035.33
4. Step 4: Simplify right side
   1,780.94x = 2,544,535.72
5. Step 5: Solve for x
   x = 2,544,535.72/1,780.94
6. Step 6: Final answer
   x = 1,428.76