Finding the Fourth Proportional to 1,410.18, 1,945.71 and 789.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.18 : 1,945.71 = 789.18 : x
2. Step 2: Convert to fraction form
   1,410.18/1,945.71 = 789.18/x
3. Step 3: Cross multiply
   1,410.18x = 1,945.71 × 789.18
4. Step 4: Simplify right side
   1,410.18x = 1,535,515.42
5. Step 5: Solve for x
   x = 1,535,515.42/1,410.18
6. Step 6: Final answer
   x = 1,088.88