Finding the Fourth Proportional to 1,413.38, 2,116.17 and 1,065.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413.38 : 2,116.17 = 1,065.67 : x
2. Step 2: Convert to fraction form
   1,413.38/2,116.17 = 1,065.67/x
3. Step 3: Cross multiply
   1,413.38x = 2,116.17 × 1,065.67
4. Step 4: Simplify right side
   1,413.38x = 2,255,133.59
5. Step 5: Solve for x
   x = 2,255,133.59/1,413.38
6. Step 6: Final answer
   x = 1,595.56