Finding the Fourth Proportional to 1,984.50, 2,736.18 and 1,540.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.50 : 2,736.18 = 1,540.62 : x
2. Step 2: Convert to fraction form
   1,984.50/2,736.18 = 1,540.62/x
3. Step 3: Cross multiply
   1,984.50x = 2,736.18 × 1,540.62
4. Step 4: Simplify right side
   1,984.50x = 4,215,413.63
5. Step 5: Solve for x
   x = 4,215,413.63/1,984.50
6. Step 6: Final answer
   x = 2,124.17