Finding the Fourth Proportional to 1,733.72, 2,403.50 and 1,640.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,733.72 : 2,403.50 = 1,640.16 : x
2. Step 2: Convert to fraction form
   1,733.72/2,403.50 = 1,640.16/x
3. Step 3: Cross multiply
   1,733.72x = 2,403.50 × 1,640.16
4. Step 4: Simplify right side
   1,733.72x = 3,942,116.36
5. Step 5: Solve for x
   x = 3,942,116.36/1,733.72
6. Step 6: Final answer
   x = 2,273.80