Finding the Fourth Proportional to 3,388.53, 5,083.71 and 1,413.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.53 : 5,083.71 = 1,413.51 : x
2. Step 2: Convert to fraction form
   3,388.53/5,083.71 = 1,413.51/x
3. Step 3: Cross multiply
   3,388.53x = 5,083.71 × 1,413.51
4. Step 4: Simplify right side
   3,388.53x = 7,185,849.50
5. Step 5: Solve for x
   x = 7,185,849.50/3,388.53
6. Step 6: Final answer
   x = 2,120.64