Finding the Fourth Proportional to 2,083.20, 2,868.48 and 1,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.20 : 2,868.48 = 1,614.72 : x
2. Step 2: Convert to fraction form
   2,083.20/2,868.48 = 1,614.72/x
3. Step 3: Cross multiply
   2,083.20x = 2,868.48 × 1,614.72
4. Step 4: Simplify right side
   2,083.20x = 4,631,792.03
5. Step 5: Solve for x
   x = 4,631,792.03/2,083.20
6. Step 6: Final answer
   x = 2,223.40