Finding the Fourth Proportional to 1,693.27, 2,550.62 and 1,540.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.27 : 2,550.62 = 1,540.18 : x
2. Step 2: Convert to fraction form
   1,693.27/2,550.62 = 1,540.18/x
3. Step 3: Cross multiply
   1,693.27x = 2,550.62 × 1,540.18
4. Step 4: Simplify right side
   1,693.27x = 3,928,413.91
5. Step 5: Solve for x
   x = 3,928,413.91/1,693.27
6. Step 6: Final answer
   x = 2,320.02