Finding the Fourth Proportional to 1,410.09, 1,945.93 and 789.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.09 : 1,945.93 = 789.09 : x
2. Step 2: Convert to fraction form
   1,410.09/1,945.93 = 789.09/x
3. Step 3: Cross multiply
   1,410.09x = 1,945.93 × 789.09
4. Step 4: Simplify right side
   1,410.09x = 1,535,520.71
5. Step 5: Solve for x
   x = 1,535,520.71/1,410.09
6. Step 6: Final answer
   x = 1,088.95