Finding the Fourth Proportional to 1,781.08, 2,457.89 and 1,035.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.08 : 2,457.89 = 1,035.18 : x
2. Step 2: Convert to fraction form
   1,781.08/2,457.89 = 1,035.18/x
3. Step 3: Cross multiply
   1,781.08x = 2,457.89 × 1,035.18
4. Step 4: Simplify right side
   1,781.08x = 2,544,358.57
5. Step 5: Solve for x
   x = 2,544,358.57/1,781.08
6. Step 6: Final answer
   x = 1,428.55