Finding the Fourth Proportional to 2,142.50, 3,208.59 and 1,044.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.50 : 3,208.59 = 1,044.18 : x
2. Step 2: Convert to fraction form
   2,142.50/3,208.59 = 1,044.18/x
3. Step 3: Cross multiply
   2,142.50x = 3,208.59 × 1,044.18
4. Step 4: Simplify right side
   2,142.50x = 3,350,345.51
5. Step 5: Solve for x
   x = 3,350,345.51/2,142.50
6. Step 6: Final answer
   x = 1,563.76