Finding the Fourth Proportional to 1,610.37, 2,413.40 and 744.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.37 : 2,413.40 = 744.93 : x
2. Step 2: Convert to fraction form
   1,610.37/2,413.40 = 744.93/x
3. Step 3: Cross multiply
   1,610.37x = 2,413.40 × 744.93
4. Step 4: Simplify right side
   1,610.37x = 1,797,810.34
5. Step 5: Solve for x
   x = 1,797,810.34/1,610.37
6. Step 6: Final answer
   x = 1,116.40