Finding the Fourth Proportional to 1,025.10, 1,413.72 and 744.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.10 : 1,413.72 = 744.30 : x
2. Step 2: Convert to fraction form
   1,025.10/1,413.72 = 744.30/x
3. Step 3: Cross multiply
   1,025.10x = 1,413.72 × 744.30
4. Step 4: Simplify right side
   1,025.10x = 1,052,231.80
5. Step 5: Solve for x
   x = 1,052,231.80/1,025.10
6. Step 6: Final answer
   x = 1,026.47