Finding the Fourth Proportional to 1,607.40, 2,413.53 and 1,026.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.40 : 2,413.53 = 1,026.09 : x
2. Step 2: Convert to fraction form
   1,607.40/2,413.53 = 1,026.09/x
3. Step 3: Cross multiply
   1,607.40x = 2,413.53 × 1,026.09
4. Step 4: Simplify right side
   1,607.40x = 2,476,499.00
5. Step 5: Solve for x
   x = 2,476,499.00/1,607.40
6. Step 6: Final answer
   x = 1,540.69