Finding the Fourth Proportional to 1,609.81, 2,413.62 and 1,060.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.81 : 2,413.62 = 1,060.31 : x
2. Step 2: Convert to fraction form
   1,609.81/2,413.62 = 1,060.31/x
3. Step 3: Cross multiply
   1,609.81x = 2,413.62 × 1,060.31
4. Step 4: Simplify right side
   1,609.81x = 2,559,191.46
5. Step 5: Solve for x
   x = 2,559,191.46/1,609.81
6. Step 6: Final answer
   x = 1,589.75