Finding the Fourth Proportional to 1,409.99, 1,945.94 and 1,017.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.99 : 1,945.94 = 1,017.25 : x
2. Step 2: Convert to fraction form
   1,409.99/1,945.94 = 1,017.25/x
3. Step 3: Cross multiply
   1,409.99x = 1,945.94 × 1,017.25
4. Step 4: Simplify right side
   1,409.99x = 1,979,497.51
5. Step 5: Solve for x
   x = 1,979,497.51/1,409.99
6. Step 6: Final answer
   x = 1,403.91